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Case File

CVE-2021-46825

CRITICAL · CVSS 9.1 EPSS 1.56%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-07-07 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

CVE
CVE-2021-46825
Severity
CRITICAL
CVSS
9.1
EPSS
1.56%

Original NVD Description

Symantec Advanced Secure Gateway (ASG) and ProxySG are susceptible to an HTTP desync vulnerability. When a remote unauthenticated attacker and other web clients communicate through the proxy with the same web server, the attacker can send crafted HTTP requests and cause the proxy to forward web server responses to unintended clients. Severity/CVSSv3: High / 8.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Related CVEs

Other vulnerabilities affecting the same vendor(s)