SCA: security update for simplesamlphp/saml2, simplesamlphp/saml2-legacy (GHSA-46r4-f8gj-xg56)

high Tenable Self-Hosted Container Security Plugin ID 421101

Description

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

- 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)

See Also

https://github.com/advisories/GHSA-46r4-f8gj-xg56

Plugin Details

Severity: High

ID: 421101

Version: Revision 1.8

Type: Local

Family: SCA Checks

Published: 3/12/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3.3

Percentile: 51.01

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

CVSS Score Source: CVE-2025-27773

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 3/11/2025

Vulnerability Publication Date: 3/11/2025

Reference Information

CVE: CVE-2025-27773

cwe: CWE-347