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CVE
added 2023/10/10 2:15 p.m.4408 views

CVE-2023-44487

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

7.5CVSS8AI score0.94434EPSS
CVE
CVE
added 2020/02/24 10:15 p.m.4065 views

CVE-2020-1938

When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to Apache Tomcat. Tomcat treats AJP connections as having higher trust than, for example, a similar HTTP connection. If such connections are available to an attacker, they can be exploited in ways that...

9.8CVSS9.9AI score0.94469EPSS
CVE
CVE
added 2017/10/04 1:29 a.m.1448 views

CVE-2017-12617

When running Apache Tomcat versions 9.0.0.M1 to 9.0.0, 8.5.0 to 8.5.22, 8.0.0.RC1 to 8.0.46 and 7.0.0 to 7.0.81 with HTTP PUTs enabled (e.g. via setting the readonly initialisation parameter of the Default servlet to false) it was possible to upload a JSP file to the server via a specially crafted ...

8.1CVSS7.5AI score0.94394EPSS
CVE
CVE
added 2017/09/19 1:29 p.m.1420 views

CVE-2017-12615

When running Apache Tomcat 7.0.0 to 7.0.79 on Windows with HTTP PUTs enabled (e.g. via setting the readonly initialisation parameter of the Default to false) it was possible to upload a JSP file to the server via a specially crafted request. This JSP could then be requested and any code it containe...

8.1CVSS7.4AI score0.9436EPSS
CVE
CVE
added 2019/04/15 3:29 p.m.1391 views

CVE-2019-0232

When running on Windows with enableCmdLineArguments enabled, the CGI Servlet in Apache Tomcat 9.0.0.M1 to 9.0.17, 8.5.0 to 8.5.39 and 7.0.0 to 7.0.93 is vulnerable to Remote Code Execution due to a bug in the way the JRE passes command line arguments to Windows. The CGI Servlet is disabled by defau...

9.3CVSS8.1AI score0.94164EPSS
CVE
CVE
added 2020/02/24 10:15 p.m.1369 views

CVE-2020-1935

In Apache Tomcat 9.0.0.M1 to 9.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99 the HTTP header parsing code used an approach to end-of-line parsing that allowed some invalid HTTP headers to be parsed as valid. This led to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse prox...

5.8CVSS7.4AI score0.00618EPSS
CVE
CVE
added 2020/05/20 7:15 p.m.1317 views

CVE-2020-9484

When using Apache Tomcat versions 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54 and 7.0.0 to 7.0.103 if a) an attacker is able to control the contents and name of a file on the server; and b) the server is configured to use the PersistenceManager with a FileStore; and c) the Persisten...

7CVSS7.5AI score0.93416EPSS
CVE
CVE
added 2022/05/13 8:15 a.m.1146 views

CVE-2022-25762

If a web application sends a WebSocket message concurrently with the WebSocket connection closing when running on Apache Tomcat 8.5.0 to 8.5.75 or Apache Tomcat 9.0.0.M1 to 9.0.20, it is possible that the application will continue to use the socket after it has been closed. The error handling trigg...

8.6CVSS8.3AI score0.00366EPSS
CVE
CVE
added 2019/12/23 5:15 p.m.1134 views

CVE-2019-17563

When using FORM authentication with Apache Tomcat 9.0.0.M1 to 9.0.29, 8.5.0 to 8.5.49 and 7.0.0 to 7.0.98 there was a narrow window where an attacker could perform a session fixation attack. The window was considered too narrow for an exploit to be practical but, erring on the side of caution, this...

7.5CVSS7.7AI score0.04359EPSS
CVE
CVE
added 2017/04/06 9:59 p.m.963 views

CVE-2016-8735

Remote code execution is possible with Apache Tomcat before 6.0.48, 7.x before 7.0.73, 8.x before 8.0.39, 8.5.x before 8.5.7, and 9.x before 9.0.0.M12 if JmxRemoteLifecycleListener is used and an attacker can reach JMX ports. The issue exists because this listener wasn't updated for consistency wit...

9.8CVSS8AI score0.94003EPSS
CVE
CVE
added 2023/08/25 9:15 p.m.939 views

CVE-2023-41080

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in FORM authentication feature Apache Tomcat.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.0.12, from 9.0.0-M1 through 9.0.79 and from 8.5.0 through 8.5.92. The vulnerability is limite...

6.1CVSS6.8AI score0.11116EPSS
CVE
CVE
added 2014/02/26 2:55 p.m.894 views

CVE-2013-4590

Apache Tomcat before 6.0.39, 7.x before 7.0.50, and 8.x before 8.0.0-RC10 allows attackers to obtain "Tomcat internals" information by leveraging the presence of an untrusted web application with a context.xml, web.xml, *.jspx, *.tagx, or *.tld XML document containing an external entity declaration...

4.3CVSS8.8AI score0.01173EPSS
CVE
CVE
added 2019/12/23 6:15 p.m.889 views

CVE-2019-12418

When Apache Tomcat 9.0.0.M1 to 9.0.28, 8.5.0 to 8.5.47, 7.0.0 and 7.0.97 is configured with the JMX Remote Lifecycle Listener, a local attacker without access to the Tomcat process or configuration files is able to manipulate the RMI registry to perform a man-in-the-middle attack to capture user na...

7CVSS7.2AI score0.00556EPSS
CVE
CVE
added 2025/03/10 5:15 p.m.876 views

CVE-2025-24813

Path Equivalence: 'file.Name' (Internal Dot) leading to Remote Code Execution and/or Information disclosure and/or malicious content added to uploaded files via write enabled Default Servlet in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.2, from 10.1.0-M1 through 10...

9.8CVSS7.9AI score0.93779EPSS
CVE
CVE
added 2020/07/14 3:15 p.m.872 views

CVE-2020-13935

The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of se...

7.5CVSS7.5AI score0.92195EPSS
CVE
CVE
added 2021/03/01 12:15 p.m.851 views

CVE-2021-25329

The fix for CVE-2020-9484 was incomplete. When using Apache Tomcat 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, 8.5.0 to 8.5.61 or 7.0.0. to 7.0.107 with a configuration edge case that was highly unlikely to be used, the Tomcat instance was still vulnerable to CVE-2020-9494. Note that both the previous...

7CVSS7.3AI score0.93416EPSS
CVE
CVE
added 2021/03/01 12:15 p.m.817 views

CVE-2021-25122

When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's reques...

7.5CVSS6.9AI score0.02775EPSS
CVE
CVE
added 2024/12/17 1:15 p.m.808 views

CVE-2024-50379

Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability during JSP compilation in Apache Tomcat permits an RCE on case insensitive file systems when the default servlet is enabled for write (non-default configuration). This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.1, from 10...

9.8CVSS9.4AI score0.88612EPSS
CVE
CVE
added 2020/06/29 9:15 a.m.786 views

CVE-2020-8022

A Incorrect Default Permissions vulnerability in the packaging of tomcat on SUSE Enterprise Storage 5, SUSE Linux Enterprise Server 12-SP2-BCL, SUSE Linux Enterprise Server 12-SP2-LTSS, SUSE Linux Enterprise Server 12-SP3-BCL, SUSE Linux Enterprise Server 12-SP3-LTSS, SUSE Linux Enterprise Server 1...

7.8CVSS7.5AI score0.00204EPSS
CVE
CVE
added 2021/01/14 3:15 p.m.773 views

CVE-2021-24122

When serving resources from a network location using the NTFS file system, Apache Tomcat versions 10.0.0-M1 to 10.0.0-M9, 9.0.0.M1 to 9.0.39, 8.5.0 to 8.5.59 and 7.0.0 to 7.0.106 were susceptible to JSP source code disclosure in some configurations. The root cause was the unexpected behaviour of th...

5.9CVSS6.5AI score0.61383EPSS
CVE
CVE
added 2019/06/21 6:15 p.m.758 views

CVE-2019-10072

The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to 9.0.19 and 8.5.0 to 8.5.40 . By not sending WINDOW_UPDATE messages for the connection window (stream 0) clients were able to cause server-side threads to b...

7.5CVSS7.7AI score0.71534EPSS
CVE
CVE
added 2018/05/16 4:29 p.m.757 views

CVE-2018-8014

The defaults settings for the CORS filter provided in Apache Tomcat 9.0.0.M1 to 9.0.8, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, 7.0.41 to 7.0.88 are insecure and enable 'supportsCredentials' for all origins. It is expected that users of the CORS filter will have configured it appropriately for their e...

9.8CVSS8.6AI score0.53868EPSS
CVE
CVE
added 2013/11/13 3:55 p.m.756 views

CVE-2013-6357

Cross-site request forgery (CSRF) vulnerability in the Manager application in Apache Tomcat 5.5.25 and earlier allows remote attackers to hijack the authentication of administrators for requests that manipulate application deployment via the POST method, as demonstrated by a /manager/html/undeploy?...

6.8CVSS7AI score0.00603EPSS
CVE
CVE
added 2019/04/23 7:32 p.m.733 views

CVE-2019-2684

Vulnerability in the Java SE, Java SE Embedded component of Oracle Java SE (subcomponent: RMI). Supported versions that are affected are Java SE: 7u211, 8u202, 11.0.2 and 12; Java SE Embedded: 8u201. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple...

5.9CVSS5.7AI score0.01345EPSS
CVE
CVE
added 2012/11/30 7:55 p.m.730 views

CVE-2012-5568

Apache Tomcat through 7.0.x allows remote attackers to cause a denial of service (daemon outage) via partial HTTP requests, as demonstrated by Slowloris.

5CVSS6.2AI score0.12622EPSS
CVE
CVE
added 2014/02/26 2:55 p.m.719 views

CVE-2013-4286

Apache Tomcat before 6.0.39, 7.x before 7.0.47, and 8.x before 8.0.0-RC3, when an HTTP connector or AJP connector is used, does not properly handle certain inconsistent HTTP request headers, which allows remote attackers to trigger incorrect identification of a request's length and conduct request-...

5.8CVSS9.3AI score0.8199EPSS
CVE
CVE
added 2023/02/20 4:15 p.m.711 views

CVE-2023-24998

Apache Commons FileUpload before 1.5 does not limit the number of request parts to be processed resulting in the possibility of an attacker triggering a DoS with a malicious upload or series of uploads. Note that, like all of the file upload limits, thenew configuration option (FileUploadBase#setFi...

7.5CVSS7.2AI score0.41119EPSS
CVE
CVE
added 2019/05/28 10:29 p.m.692 views

CVE-2019-0221

The SSI printenv command in Apache Tomcat 9.0.0.M1 to 9.0.0.17, 8.5.0 to 8.5.39 and 7.0.0 to 7.0.93 echoes user provided data without escaping and is, therefore, vulnerable to XSS. SSI is disabled by default. The printenv command is intended for debugging and is unlikely to be present in a producti...

6.1CVSS6.8AI score0.03821EPSS
CVE
CVE
added 2020/12/03 7:15 p.m.682 views

CVE-2020-17527

While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this wou...

7.5CVSS7.5AI score0.08457EPSS
CVE
CVE
added 2021/07/12 3:15 p.m.663 views

CVE-2021-30640

A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to bypass some of the protection provided by the LockOut Realm. This issue affects Apache Tomcat 10.0.0-M1 to 10.0.5; 9.0.0.M1 to 9.0.45; 8.5.0 to 8.5.65.

6.5CVSS6.6AI score0.00179EPSS
CVE
CVE
added 2014/02/26 2:55 p.m.655 views

CVE-2013-4322

Apache Tomcat before 6.0.39, 7.x before 7.0.50, and 8.x before 8.0.0-RC10 processes chunked transfer coding without properly handling (1) a large total amount of chunked data or (2) whitespace characters in an HTTP header value within a trailer field, which allows remote attackers to cause a denial...

4.3CVSS9.1AI score0.67322EPSS
CVE
CVE
added 2018/10/04 1:29 p.m.655 views

CVE-2018-11784

When the default servlet in Apache Tomcat versions 9.0.0.M1 to 9.0.11, 8.5.0 to 8.5.33 and 7.0.23 to 7.0.90 returned a redirect to a directory (e.g. redirecting to '/foo/' when the user requested '/foo') a specially crafted URL could be used to cause the redirect to be generated to any URI of the a...

4.3CVSS5.1AI score0.86748EPSS
CVE
CVE
added 2024/12/20 4:15 p.m.653 views

CVE-2024-56337

Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.1, from 10.1.0-M1 through 10.1.33, from 9.0.0.M1 through 9.0.97. The mitigation for CVE-2024-50379 was incomplete. Users running Tomcat on a case insensiti...

9.8CVSS6.5AI score0.88612EPSS
CVE
CVE
added 2020/06/26 5:15 p.m.651 views

CVE-2020-11996

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unrespon...

7.5CVSS7.4AI score0.37363EPSS
CVE
CVE
added 2020/10/12 2:15 p.m.650 views

CVE-2020-13943

If an HTTP/2 client connecting to Apache Tomcat 10.0.0-M1 to 10.0.0-M7, 9.0.0.M1 to 9.0.37 or 8.5.0 to 8.5.57 exceeded the agreed maximum number of concurrent streams for a connection (in violation of the HTTP/2 protocol), it was possible that a subsequent request made on that connection could cont...

4.3CVSS4.7AI score0.12123EPSS
CVE
CVE
added 2024/03/13 4:15 p.m.629 views

CVE-2024-23672

Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket clients to keep WebSocket connections open leading to increased resource consumption.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0...

6.3CVSS7.2AI score0.00425EPSS
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CVE
added 2023/11/28 4:15 p.m.588 views

CVE-2023-46589

Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.1.15, from 9.0.0-M1 through 9.0.82 and from 8.5.0 through 8.5.95 did not correctly parse HTTP trailer headers. A trailer header that exceeded the header size limit could caus...

7.5CVSS7.8AI score0.50252EPSS
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CVE
added 2023/05/22 11:15 a.m.565 views

CVE-2023-28709

The fix for CVE-2023-24998 was incomplete for Apache Tomcat 11.0.0-M2 to 11.0.0-M4, 10.1.5 to 10.1.7, 9.0.71 to 9.0.73 and 8.5.85 to 8.5.87. If non-default HTTP connector settings were used such that the maxParameterCount could be reached using query string parameters and a request was submitted th...

7.5CVSS7.3AI score0.41119EPSS
CVE
CVE
added 2020/07/14 3:15 p.m.538 views

CVE-2020-13934

An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service.

7.5CVSS7.3AI score0.20897EPSS
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CVE
added 2022/11/01 9:15 a.m.534 views

CVE-2022-42252

If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false (the default for 8.5.x only), Tomcat did not reject a request containing an invalid Content-Length header making a...

7.5CVSS7.6AI score0.00164EPSS
CVE
CVE
added 2021/07/12 3:15 p.m.513 views

CVE-2021-33037

Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer e...

5.3CVSS6.1AI score0.02506EPSS
CVE
CVE
added 2018/08/02 2:29 p.m.484 views

CVE-2018-1336

An improper handing of overflow in the UTF-8 decoder with supplementary characters can lead to an infinite loop in the decoder causing a Denial of Service. Versions Affected: Apache Tomcat 9.0.0.M9 to 9.0.7, 8.5.0 to 8.5.30, 8.0.0.RC1 to 8.0.51, and 7.0.28 to 7.0.86.

7.5CVSS7.7AI score0.0393EPSS
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CVE
added 2018/08/01 6:29 p.m.479 views

CVE-2018-8034

The host name verification when using TLS with the WebSocket client was missing. It is now enabled by default. Versions Affected: Apache Tomcat 9.0.0.M1 to 9.0.9, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, and 7.0.35 to 7.0.88.

7.5CVSS7.6AI score0.13373EPSS
CVE
CVE
added 2020/02/24 10:15 p.m.471 views

CVE-2019-17569

The refactoring present in Apache Tomcat 9.0.28 to 9.0.30, 8.5.48 to 8.5.50 and 7.0.98 to 7.0.99 introduced a regression. The result of the regression was that invalid Transfer-Encoding headers were incorrectly processed leading to a possibility of HTTP Request Smuggling if Tomcat was located behin...

5.8CVSS7AI score0.08139EPSS
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CVE
added 2025/04/28 8:15 p.m.426 views

CVE-2025-31650

Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOfMemoryException resulting in a denial of...

7.5CVSS6.7AI score0.00738EPSS
CVE
CVE
added 2021/10/14 8:15 p.m.416 views

CVE-2021-42340

The fix for bug 63362 present in Apache Tomcat 10.1.0-M1 to 10.1.0-M5, 10.0.0-M1 to 10.0.11, 9.0.40 to 9.0.53 and 8.5.60 to 8.5.71 introduced a memory leak. The object introduced to collect metrics for HTTP upgrade connections was not released for WebSocket connections once the connection was close...

7.5CVSS6.7AI score0.03464EPSS
CVE
CVE
added 2022/06/23 11:15 a.m.384 views

CVE-2022-34305

In Apache Tomcat 10.1.0-M1 to 10.1.0-M16, 10.0.0-M1 to 10.0.22, 9.0.30 to 9.0.64 and 8.5.50 to 8.5.81 the Form authentication example in the examples web application displayed user provided data without filtering, exposing a XSS vulnerability.

6.1CVSS6.3AI score0.02392EPSS
CVE
CVE
added 2019/04/10 3:29 p.m.372 views

CVE-2019-0199

The HTTP/2 implementation in Apache Tomcat 9.0.0.M1 to 9.0.14 and 8.5.0 to 8.5.37 accepted streams with excessive numbers of SETTINGS frames and also permitted clients to keep streams open without reading/writing request/response data. By keeping streams open for requests that utilised the Servlet ...

7.5CVSS7.5AI score0.70836EPSS
CVE
CVE
added 2024/03/13 4:15 p.m.356 views

CVE-2024-24549

Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat. When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the associated HTTP/2 stream was not reset until after all of the headers had been processed.Th...

7.5CVSS7.9AI score0.52453EPSS
CVE
CVE
added 2023/03/22 11:15 a.m.353 views

CVE-2023-28708

When using the RemoteIpFilter with requests received from a reverse proxy via HTTP that include the X-Forwarded-Proto header set to https, session cookies created by Apache Tomcat 11.0.0-M1 to 11.0.0.-M2, 10.1.0-M1 to 10.1.5, 9.0.0-M1 to 9.0.71 and 8.5.0 to 8.5.85 did not include the secure attribu...

4.3CVSS6AI score0.00145EPSS
Total number of security vulnerabilities118