Detections
Analytics

SCA: security update for symfony/security, symfony/security-http, symfony/symfony (GHSA-whgv-8cg3-7hcm)

high Tenable Self-Hosted Container Security Plugin ID 434960

Description

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

 - The attemptAuthentication function in
 Component/Security/Http/Firewall/UsernamePasswordFormAuthenticationListener.php in Symfony before 2.3.41,
 2.7.x before 2.7.13, 2.8.x before 2.8.6, and 3.0.x before 3.0.6 does not limit the length of a username
 stored in a session, which allows remote attackers to cause a denial of service (session storage
 consumption) via a series of authentication attempts with long, non-existent usernames. (CVE-2016-4423)

See Also

https://github.com/advisories/GHSA-whgv-8cg3-7hcm

Plugin Details

Severity: High

ID: 434960

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 8/20/2025

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: 3.7

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

CVSS Score Source: CVE-2016-4423

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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: 5/17/2022

Vulnerability Publication Date: 5/9/2016

Reference Information

CVE: CVE-2016-4423

BID: 90939