CVE-2021-46825

Severity Score

9.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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

Symantec Advanced Secure Gateway (ASG) y ProxySG son susceptibles a una vulnerabilidad de desincronización HTTP. Cuando un atacante remoto no autenticado y otros clientes web se comunican a mediante el proxy con el mismo servidor web, el atacante puede enviar peticiones HTTP diseñadas y causar que el proxy reenvíe las respuestas del servidor web a clientes no deseados. Gravedad/CVSSv3: Alta / 8.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-06-29 CVE Reserved
2022-07-07 CVE Published
2024-08-04 CVE Updated
2024-09-28 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/20638	2023-08-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Broadcom Search vendor "Broadcom"		Advanced Secure Gateway Search vendor "Broadcom" for product "Advanced Secure Gateway"				6.7 Search vendor "Broadcom" for product "Advanced Secure Gateway" and version "6.7"		-		Affected
Broadcom Search vendor "Broadcom"		Advanced Secure Gateway Search vendor "Broadcom" for product "Advanced Secure Gateway"				7.3 Search vendor "Broadcom" for product "Advanced Secure Gateway" and version "7.3"		-		Affected
Broadcom Search vendor "Broadcom"		Proxysg Search vendor "Broadcom" for product "Proxysg"				6.7 Search vendor "Broadcom" for product "Proxysg" and version "6.7"		-		Affected
Broadcom Search vendor "Broadcom"		Proxysg Search vendor "Broadcom" for product "Proxysg"				7.3 Search vendor "Broadcom" for product "Proxysg" and version "7.3"		-		Affected