CVE-2021-46825

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

CVSS v3 9.1 CRITICAL
CVSS v2.0 6.4 MEDIUM

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/20638	Vendor Advisory
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/20638	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:broadcom:advanced_secure_gateway:6.7:::::::*
	cpe:2.3:a:broadcom:advanced_secure_gateway:7.3:::::::*
	cpe:2.3:a:broadcom:proxysg:6.7:::::::*
	cpe:2.3:a:broadcom:proxysg:7.3:::::::*

History

No history.

Information

Published : 2022-07-07 16:15

Updated : 2024-11-21 06:34

NVD link : CVE-2021-46825

Mitre link : CVE-2021-46825

CVE.ORG link : CVE-2021-46825

JSON object : View

Products Affected

broadcom

proxysg
advanced_secure_gateway

CWE

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

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