There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Starting
    in versions 2.0.0, 5.0.0, and 6.0.0 and prior to versions 4.4.51, 5.4.31, and 6.3.8, some Twig filters in
    CodeExtension use `is_safe=html` but don't actually ensure their input is safe. As of versions 4.4.51,
    5.4.31, and 6.3.8, Symfony now escapes the output of the affected filters. (CVE-2023-46734)

According to its self-reported version, the Tenable Security Center running on the remote host is version 6.6.0. It is, therefore, affected by multiple vulnerabilities as referenced in the TNS-2025-20 advisory.

  - Symphony process is a module for the Symphony PHP framework which executes commands in sub-processes. On     Windows, when an executable file named `cmd.exe` is located in the current working directory it will be     called by the `Process` class when preparing command arguments, leading to possible hijacking. This issue     has been addressed in release versions 5.4.46, 6.4.14, and 7.1.7. Users are advised to upgrade. There are     no known workarounds for this vulnerability. (CVE-2024-51736)

  - Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Starting     in versions 2.0.0, 5.0.0, and 6.0.0 and prior to versions 4.4.51, 5.4.31, and 6.3.8, some Twig filters in     CodeExtension use `is_safe=html` but don't actually ensure their input is safe. As of versions 4.4.51,     5.4.31, and 6.3.8, Symfony now escapes the output of the affected filters. (CVE-2023-46734)

  - The SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality. Prior to versions 4.17.0     and 5.0.0-alpha.20, there is a signature confusion attack in the HTTPRedirect binding. An attacker with     any signed SAMLResponse via the HTTP-Redirect binding can cause the application to accept an unsigned     message. Versions 4.17.0 and 5.0.0-alpha.20 contain a fix for the issue. (CVE-2025-27773)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Starting     in versions 2.0.0, 5.0.0, and 6.0.0 and prior to versions 4.4.51, 5.4.31, and 6.3.8, some Twig filters in     CodeExtension use `is_safe=html` but don't actually ensure their input is safe. As of versions 4.4.51,     5.4.31, and 6.3.8, Symfony now escapes the output of the affected filters. (CVE-2023-46734)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7272-1 advisory.

    Soner Sayakci discovered that Symfony incorrectly handled cookie storage in the web cache. An attacker     could possibly use this issue to obtain sensitive information and access unauthorized resources.
    (CVE-2022-24894)

    Marco Squarcina discovered that Symfony incorrectly handled the storage of user session information. An     attacker could possibly use this issue to perform a cross-site request forgery (CSRF) attack.
    (CVE-2022-24895)

    Pierre Rudloff discovered that Symfony incorrectly checked HTML input. An attacker could possibly use this     issue to perform cross site scripting. (CVE-2023-46734)

    Vladimir Dusheyko discovered that Symfony incorrectly sanitized special input with a PHP directive in URL     query strings. An attacker could possibly use this issue to expose sensitive information or cause a denial     of service. This issue only affected Ubuntu 24.04 LTS and Ubuntu 22.04 LTS. (CVE-2024-50340)

    Oleg Andreyev, Antoine Makdessi, and Moritz Rauch discovered that Symfony incorrectly handled user     authentication. An attacker could possibly use this issue to access unauthorized resources and expose     sensitive information. This issue was only addressed in Ubuntu 24.04 LTS. (CVE-2024-50341, CVE-2024-51996)

    Linus Karlsson and Chris Smith discovered that Symfony returned internal host information during host     resolution. An attacker could possibly use this issue to obtain sensitive information. This issue only     affected Ubuntu 24.04 LTS and Ubuntu 22.04 LTS. (CVE-2024-50342)

    It was discovered that Symfony incorrectly parsed user input through regular expressions. An attacker     could possibly use this issue to expose sensitive information. (CVE-2024-50343)

    Sam Mush discovered that Symfony incorrectly parsed URIs with special characters. An attacker could     possibly use this issue to perform phishing attacks. (CVE-2024-50345)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3664 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-3664-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                      Markus Koschany     November 24, 2023                             https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : symfony     Version        : 3.4.22+dfsg-2+deb10u3     CVE ID         : CVE-2023-46734     Debian Bug     : 1055774

    Pierre Rudloff discovered a potential XSS vulnerability in Symfony, a PHP     framework. Some Twig filters in CodeExtension use `is_safe=html` but do not     actually ensure their input is safe. Symfony now escapes the output of the     affected filters.

    For Debian 10 buster, this problem has been fixed in version     3.4.22+dfsg-2+deb10u3.

    We recommend that you upgrade your symfony packages.

    For the detailed security status of symfony please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/symfony

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
    signature.asc     Description: This is a digitally signed message part

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
417981	SCA: security update for symfony/symfony, symfony/twig-bridge (GHSA-q847-2q57-wmr3)	Tenable Cloud Security	SCA Checks	1/23/2025	7/2/2026	medium
417981	SCA: security update for symfony/symfony, symfony/twig-bridge (GHSA-q847-2q57-wmr3)	Tenable Self-Hosted Container Security	SCA Checks	1/23/2025	7/2/2026	medium
266393	Tenable Security Center Multiple Vulnerabilities (TNS-2025-20)	Nessus	Misc.	10/2/2025	10/2/2025	high
227424	Linux Distros Unpatched Vulnerability : CVE-2023-46734	Nessus	Misc.	3/5/2025	10/28/2025	medium
216425	Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS : Symfony vulnerabilities (USN-7272-1)	Nessus	Ubuntu Local Security Checks	2/18/2025	9/3/2025	high
186245	Debian dla-3664 : php-symfony - security update	Nessus	Debian Local Security Checks	11/24/2023	1/22/2025	medium

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