Vulnerability record

CVE-2022-26134

Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability

Severity: CriticalExploitation: Exploitation confirmedCISA KEV Used by ransomware
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Confluence Server/Data Center, fix it now.

CISA required action: Immediately block all internet traffic to and from affected products AND apply the update per vendor instructions [https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html] OR remove the affected products by the due date on the right. Note: Once the update is successfully deployed, agencies can reassess the internet blocking rules.

US federal civilian agencies must remediate by Jun 6, 2022.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Description

In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are from 1.3.0 before 7.4.17, from 7.13.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and from 7.18.0 before 7.18.1.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorAffected versionsFixed inSource
Confluence ServerAtlassian>= 1.3, < 7.4.17; >= 7.13.0, < 7.13.7; >= 7.14.0, < 7.14.3; >= 7.15.0, < 7.15.2; >= 7.16.0, < 7.16.4; >= 7.17.0, < 7.17.47.4.17; 7.13.7; 7.14.3; 7.15.2; 7.16.4; 7.17.4NVD
Confluence Server/Data CenterAtlassian——KEV

Sources: NVD = NIST National Vulnerability Database; KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2022-26134 scored CVSS 9.8: Atlassian Confluence Server/Data Center, Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability

    CISA lists this as exploited in the wild and known to be used in ransomware campaigns. Unpatched Confluence Server/Data Center systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2022-26134: Atlassian Confluence Server/Data Center, Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability

    An official fix is now available for Atlassian Confluence Server/Data Center. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2022-26134
  • packetstormsecurity.com http://packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html
  • packetstormsecurity.com http://packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html
  • packetstormsecurity.com http://packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html
  • packetstormsecurity.com http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html
  • confluence.atlassian.com https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html
  • jira.atlassian.com https://jira.atlassian.com/browse/CONFSERVER-79016
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26134