Detections
Analytics

SCA: security update for proxy.py (GHSA-cmc7-mfmr-xqrx)

high Tenable Self-Hosted Container Security Plugin ID 413969

Description

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

 - before_upstream_connection in AuthPlugin in http/proxy/auth.py in proxy.py before 2.3.1 accepts incorrect
 Proxy-Authorization header data because of a boolean confusion (and versus or). (CVE-2021-3116)

Solution

Update the proxy.py library and its related packages to version 2.3.1 or later.

See Also

https://github.com/advisories/GHSA-cmc7-mfmr-xqrx

Plugin Details

Severity: High

ID: 413969

Version: Revision 1.7

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: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2021-3116

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 7.7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/7/2021

Vulnerability Publication Date: 1/11/2021

Reference Information

CVE: CVE-2021-3116