CVE-2020-1938

CVE-2020-1938 (Tomcat AJP vulnerability) : The issue affects Apache Tomcat where the AJP Connector, enabled by default in several legacy releases, could be reached through untrusted networks. An attacker could exploit the configured AJP path to read arbitrary files in the web application and pote...

CVE-2017-12617

CVE-2017-12617 concerns Apache Tomcat JSP upload via HTTP PUT when readonly=false and PUTs are allowed. Affected: Tomcat 7.x/8.x/9.x (various 7.0.0–7.0.81, 8.0.0.RC1–8.0.46, 8.5.0–8.5.22, 9.0.0.M1–9.0.0) with PUT enabled. Root cause: PUT request handling allowed uploading a JSP, enabling remote c...

CVE-2020-9484

CVE-2020-9484 is a deserialization flaw in Apache Tomcat that, under a specific FileStore PersistenceManager configuration and a crafted request, can trigger remote code execution. Affected are Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, 8.5.0 to 8.5.61, and 7.0.0 to 7.0.107 when the...

CVE-2020-1935

CVE-2020-1935 affects Apache Tomcat across multiple branches: 9.0.0.M1–9.0.30, 8.5.0–8.5.50, and 7.0.0–7.0.99. It stems from HTTP header parsing that can mishandle end-of-line and Transfer-Encoding, enabling HTTP Request Smuggling when Tomcat sits behind certain reverse proxies. Impact is informa...

CVE-2019-12418

CVE-2019-12418 affects Apache Tomcat 9.0.0.M1–9.0.28, 8.5.0–8.5.47, 7.0.0–7.0.97 when JMX Remote Lifecycle Listener is enabled: a local attacker without Tomcat access can manipulate the RMI registry to perform a MITM and steal credentials to gain full control of the Tomcat instance. Connected adv...

CVE-2020-13935

CVE-2020-13935 affects Apache Tomcat: the WebSocket frame payload length was not properly validated, which could trigger an infinite loop and allow DoS via multiple invalid payloads. Affected: 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. The initial d...

CVE-2020-17527

CVE-2020-17527 affects multiple Apache Tomcat releases where HTTP/2 stream handling could cause information leakage by reusing an HTTP request header value from a previous stream for the next stream. Affected products/versions include Tomcat 10.0.0-M1–M9, 9.0.0-M1–9.0.39, and 8.5.0–8.5.59; the is...

CVE-2020-11996

CVE-2020-11996 affects Apache Tomcat versions 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, where a specially crafted sequence of HTTP/2 requests could trigger high CPU and make the server unresponsive. Multiple connected advisories confirm this DoS through HTTP/2 traffic. Publ...

CVE-2020-13934

CVE-2020-13934 affects multiple Apache Tomcat releases (8.5.1–8.5.56, 9.0.x, 10.0.x up to M6) where an h2c direct connection didn’t release the HTTP/1.1 processor after upgrading to HTTP/2, potentially causing OutOfMemoryError and denial of service. Public advisories across vendors and distributi...

CVE-2019-17569

CVE-2019-17569: In Apache Tomcat, a regression from refactoring in 9.0.28–9.0.30, 8.5.48–8.5.50, and 7.0.98–7.0.99 caused invalid Transfer-Encoding header handling, enabling HTTP Request Smuggling behind a misconfigured reverse proxy. Connected advisories show mitigations: Amazon Linux 2 ALAS2TOM...