SCA: security update for github.com/dexidp/dex (GHSA-2x32-jm95-2cpx)

critical Tenable Self-Hosted Container Security Plugin ID 409149

Description

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

- A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML
Signature Validation. This flaw allows an attacker to bypass SAML authentication. The highest threat from
this vulnerability is to confidentiality, integrity, as well as system availability. This flaw affects dex
versions before 2.27.0. (CVE-2020-27847)

See Also

https://github.com/advisories/GHSA-2x32-jm95-2cpx

Plugin Details

Severity: Critical

ID: 409149

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2020-27847

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 12/20/2021

Vulnerability Publication Date: 5/28/2021

Reference Information

CVE: CVE-2020-27847