Nessus Security Vulnerabilities

CVE-2014-2848

A race condition in the wmi_malware_scan.nbin plugin before 201402262215 for Nessus 5.2.1 allows local users to gain privileges by replacing the dissolvable agent executable in the Windows temp directory with a Trojan horse program.

CVE-2014-4980

The /server/properties resource in Tenable Web UI before 2.3.5 for Nessus 5.2.3 through 5.2.7 allows remote attackers to obtain sensitive information via the token parameter.

CVE-2016-1000028

Tenable Nessus before 6.8 has a stored XSS issue that requires admin-level authentication to the Nessus UI, and would only potentially impact other admins. (Tenable ID 5198).

CVE-2016-1000029

Tenable Nessus before 6.8 has a stored XSS issue that requires admin-level authentication to the Nessus UI, and would potentially impact other admins (Tenable IDs 5218 and 5269).

CVE-2016-4055

The duration function in the moment package before 2.11.2 for Node.js allows remote attackers to cause a denial of service (CPU consumption) via a long string, aka a "regular expression Denial of Service (ReDoS)."

CVE-2016-9259

Cross-site scripting (XSS) vulnerability in Tenable Nessus before 6.9.1 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.

CVE-2016-9260

Cross-site scripting (XSS) vulnerability in Tenable Nessus before 6.9 allows remote authenticated users to inject arbitrary web script or HTML via vectors related to handling of .nessus files.

CVE-2017-11506

When linking a Nessus scanner or agent to Tenable.io or other manager, Nessus 6.x before 6.11 does not verify the manager's TLS certificate when making the initial outgoing connection. This could allow man-in-the-middle attacks.

CVE-2017-18214

The moment module before 2.19.3 for Node.js is prone to a regular expression denial of service via a crafted date string, a different vulnerability than CVE-2016-4055.

CVE-2017-2122

Cross-site scripting vulnerability in Nessus versions 6.8.0, 6.8.1, 6.9.0, 6.9.1 and 6.9.2 allows remote authenticated attackers to inject arbitrary web script or HTML via unspecified vectors.

CVE-2017-5179

Cross-site scripting (XSS) vulnerability in Tenable Nessus before 6.9.3 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.

CVE-2017-6543

Tenable Nessus before 6.10.2 (as used alone or in Tenable Appliance before 4.5.0) was found to contain a flaw that allowed a remote, authenticated attacker to upload a crafted file that could be written to anywhere on the system. This could be used to subsequently gain elevated privileges on the sy...

CVE-2017-7199

Nessus 6.6.2 - 6.10.3 contains a flaw related to insecure permissions that may allow a local attacker to escalate privileges when the software is running in Agent Mode. Version 6.10.4 fixes this issue.

CVE-2017-7849

Nessus 6.10.x before 6.10.5 was found to be vulnerable to a local denial of service condition due to insecure permissions when running in Agent Mode.

CVE-2017-7850

Nessus 6.10.x before 6.10.5 was found to be vulnerable to a local privilege escalation issue due to insecure permissions when running in Agent Mode.

CVE-2018-1141

When installing Nessus to a directory outside of the default location, Nessus versions prior to 7.0.3 did not enforce secure permissions for sub-directories. This could allow for local privilege escalation if users had not secured the directories in the installation location.

CVE-2018-1147

In Nessus before 7.1.0, a XSS vulnerability exists due to improper input validation. A remote authenticated attacker could create and upload a .nessus file, which may be viewed by an administrator allowing for the execution of arbitrary script code in a user's browser session. In other scenarios, X...

CVE-2018-1148

In Nessus before 7.1.0, Session Fixation exists due to insufficient session management within the application. An authenticated attacker could maintain system access due to session fixation after a user password change.

CVE-2018-20843

In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).

CVE-2018-5407

Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.

CVE-2019-1559

If an application encounters a fatal protocol error and then calls SSL_shutdown() twice (once to send a close_notify, and once to receive one) then OpenSSL can respond differently to the calling application if a 0 byte record is received with invalid padding compared to if a 0 byte record is receiv...

CVE-2019-3923

Nessus versions 8.2.1 and earlier were found to contain a stored XSS vulnerability due to improper validation of user-supplied input. An authenticated, remote attacker could potentially exploit this vulnerability via a specially crafted request to execute arbitrary script code in a user's browser s...

CVE-2019-3961

Nessus versions 8.4.0 and earlier were found to contain a reflected XSS vulnerability due to improper validation of user-supplied input. An unauthenticated, remote attacker could potentially exploit this vulnerability via a specially crafted request to execute arbitrary script code in a users brows...

CVE-2019-3962

Content Injection vulnerability in Tenable Nessus prior to 8.5.0 may allow an authenticated, local attacker to exploit this vulnerability by convincing another targeted Nessus user to view a malicious URL and use Nessus to send fraudulent messages. Successful exploitation could allow the authentica...

CVE-2019-3974

Nessus 8.5.2 and earlier on Windows platforms were found to contain an issue where certain system files could be overwritten arbitrarily, potentially creating a denial of service condition.

CVE-2019-3982

Nessus versions 8.6.0 and earlier were found to contain a Denial of Service vulnerability due to improper validation of specific imported scan types. An authenticated, remote attacker could potentially exploit this vulnerability to cause a Nessus scanner to become temporarily unresponsive.

CVE-2020-5765

Nessus 8.10.0 and earlier were found to contain a Stored XSS vulnerability due to improper validation of input during scan configuration. An authenticated, remote attacker could potentially exploit this vulnerability to execute arbitrary code in a user's session. Tenable has implemented additional ...

CVE-2020-5774

Nessus versions 8.11.0 and earlier were found to maintain sessions longer than the permitted period in certain scenarios. The lack of proper session expiration could allow attackers with local access to login into an existing browser session.

CVE-2020-5793

A vulnerability in Nessus versions 8.9.0 through 8.12.0 for Windows & Nessus Agent 8.0.0 and 8.1.0 for Windows could allow an authenticated local attacker to copy user-supplied files to a specially constructed path in a specifically named user directory. An attacker could exploit this vulnerability...

CVE-2021-20079

Nessus versions 8.13.2 and earlier were found to contain a privilege escalation vulnerability which could allow a Nessus administrator user to upload a specially crafted file that could lead to gaining administrator privileges on the Nessus host.

CVE-2021-20099

Nessus Agent 8.2.4 and earlier for Windows were found to contain multiple local privilege escalation vulnerabilities which could allow an authenticated, local administrator to run specific Windows executables as the Nessus host. This is different than CVE-2021-20100.

CVE-2021-20100

Nessus Agent 8.2.4 and earlier for Windows were found to contain multiple local privilege escalation vulnerabilities which could allow an authenticated, local administrator to run specific Windows executables as the Nessus host. This is different than CVE-2021-20099.

CVE-2021-20106

Nessus Agent versions 8.2.5 and earlier were found to contain a privilege escalation vulnerability which could allow a Nessus administrator user to upload a specially crafted file that could lead to gaining administrator privileges on the Nessus host.

CVE-2021-20135

Nessus versions 8.15.2 and earlier were found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. Tenable has included a fix for this issue in Nessus 10.0.0. The installation files can be...

CVE-2021-3449

An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a...

CVE-2021-3450

The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an...

CVE-2021-45960

In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).

CVE-2021-46143

In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.

CVE-2022-0778

The BN_mod_sqrt() function, which computes a modular square root, contains a bug that can cause it to loop forever for non-prime moduli. Internally this function is used when parsing certificates that contain elliptic curve public keys in compressed form or explicit elliptic curve parameters with a...

CVE-2022-22822

addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

CVE-2022-22823

build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

CVE-2022-22824

defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

CVE-2022-22825

lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

CVE-2022-22826

nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

CVE-2022-22827

storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

CVE-2022-23852

Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.

CVE-2022-23990

Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.

CVE-2022-28291

Insufficiently Protected Credentials: An authenticated user with debug privileges can retrieve stored Nessus policy credentials from the “nessusd” process in cleartext via process dumping. The affected products are all versions of Nessus Essentials and Professional. The vulnerability allows an atta...

CVE-2022-32973

An authenticated attacker could create an audit file that bypasses PowerShell cmdlet checks and executes commands with administrator privileges.

CVE-2022-32974

An authenticated attacker could read arbitrary files from the underlying operating system of the scanner using a custom crafted compliance audit file without providing any valid SSH credentials.