SB2021102601 - SSRF in F5OS Apache component 

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Main Vulnerability Database SB2021102601

SB2021102601 - SSRF in F5OS Apache component

Published: October 26, 2021 Updated: December 18, 2023

Security Bulletin ID SB2021102601
Severity
High
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2021-40438)

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input within the mod_proxy module in Apache HTTP Server. A remote attacker can send a specially crafted HTTP request with a chosen uri-path and trick the web server to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References