Code Injection in Confluence Server and Jira Data Center - CVE-2022-26134

 

Code Injection in Confluence Server and Jira Data Center - CVE-2022-26134

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


Vulnerability identifier: #VU63958
CSH Severity: Critical
CVSS v4.0: 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
CVE-ID: CVE-2022-26134
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Atlassian
Affected software:
Confluence Server
Jira Data Center

Detailed vulnerability description

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.

How to mitigate CVE-2022-26134

Install update from vendor's website.

Sources