CVE-2021-46825

Published Jul 7, 2022 CVSS 3.1 · 9.1 Critical EPSS 1.7% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-33480 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
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00268}

epss

{'score': 0.00402}

Weaknesses

Sources

Status
PUBLISHED
Assigner
symantec
Published
Updated
Aug 4, 2024, 5:17 AM
Reserved
Jun 29, 2022, 12:00 AM
Status
Modified
Published
Jul 7, 2022, 4:15 PM
Modified
Jun 17, 2026, 4:15 AM