Vulnerability in Atlassian Confluence Data Center
CVE-2022-26134
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…
EPSS: 0.944 (100.0th percentile) — read the EPSS interpretation.
Affected products
- Atlassian Confluence Data Center — versions next of 1.3.0, unspecified, 7.13.0
- Atlassian Confluence Server — versions next of 1.3.0, unspecified, 7.13.0
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
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.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- jira.atlassian.com/browse/CONFSERVER-79016 (x_refsource_MISC)
- packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept… (x_refsource_MISC)
- packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Exec… (x_refsource_MISC)
- packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence… (x_refsource_MISC)
- packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Inject… (x_refsource_MISC)
- confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146… (x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-26134?
- CVE-2022-26134 is a vulnerability in Atlassian Confluence Data Center. Published 2022-06-03.
- Is CVE-2022-26134 known to be exploited?
- Yes. CVE-2022-26134 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-06-02), indicating it is being actively exploited. 298 public proof-of-concept repositories are indexed.