Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability
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…
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 5 / 5
- KEV catalog (CISA)02 Jun 2022
- Exploited in EUVD (ENISA)02 Jun 2022
- Used by ransomwareyes
- EPSS above 10 %100.00%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: 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.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Description ENISA EUVD
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.
Affected products
- unspecified <7.18.1
- 7.16.0 <unspecified
- unspecified <7.16.4
- 7.14.0 <unspecified
- unspecified <7.17.4
- 7.15.0 <unspecified
- unspecified <7.4.17
- 7.13.0 <unspecified
- 7.17.0 <unspecified
- next of 1.3.0 <unspecified
- unspecified <7.14.3
- unspecified <7.15.2
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
-
Exploitation reported (ENISA)
-
Added to the KEV catalog
-
Published
-
CISA remediation due date
-
EPSS peak: 100.00%
References
Other exploited vulnerabilities from the same vendor
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- CVE-2021-26086Atlassian Jira Server and Data Center Path Traversal Vulnerability7.5 · Background exploitation
- CVE-2023-22527Atlassian Confluence Data Center and Server Template Injection Vulnerability10.0 · Background exploitation
- CVE-2023-22518Atlassian Confluence Data Center and Server Improper Authorization Vulnerability10.0 · Background exploitation
- CVE-2023-22515Atlassian Confluence Data Center and Server Broken Access Control Vulnerability10.0 · Background exploitation
- CVE-2022-36804Atlassian Bitbucket Server and Data Center Command Injection Vulnerability8.3 · Background exploitation