SB2022060301 - Remote code execution in Atlassian Confluence Server



SB2022060301 - Remote code execution in Atlassian Confluence Server

Published: June 3, 2022 Updated: June 21, 2024

Security Bulletin ID SB2022060301
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Code Injection (CVE-ID: CVE-2022-26134)

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red


The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper input validation when processing OGNL expressions. A remote non-authenticated attacker can send a specially crafted request to the Confluence Server and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.

Remediation

Install update from vendor's website.