CVEvulnerability
CVE-2023-22527
CISA Known Exploited Vulnerability
Atlassian Confluence Data Center and Server Template Injection Vulnerability — Atlassian Confluence Data Center and Server
Atlassian Confluence Data Center and Server contain an unauthenticated OGNL template injection vulnerability that can lead to remote code execution.
- Added to KEV
- 2024-01-24
- Remediation due
- 2024-02-14
- Ransomware use
- Known
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Notes
- https://confluence.atlassian.com/security/cve-2023-22527-rce-remote-code-execution-vulnerability-in-confluence-data-center-and-confluence-server-1333990257.html; https://nvd.nist.gov/vuln/detail/CVE-2023-22527
- Status
- Analyzed
- Published
- 2024-01-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.0 ([email protected])
- 10.0 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-74
Description
A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action.
Most recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.
Affected configurations
• atlassian confluence data center (>= 8.0.0 < 8.5.4)
• atlassian confluence data center 8.7.0
• atlassian confluence server (>= 8.0.0 < 8.5.4)
Related
Weakness · CWE (1)
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component weakness
References
- http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html Exploit, Third Party Advisory, VDB Entry
- https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615 Vendor Advisory
- https://jira.atlassian.com/browse/CONFSERVER-93833 Issue Tracking, Vendor Advisory
- http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html Exploit, Third Party Advisory, VDB Entry
- https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615 Vendor Advisory
- https://jira.atlassian.com/browse/CONFSERVER-93833 Issue Tracking, Vendor Advisory
- https://www.vicarius.io/vsociety/posts/pwning-confluence-via-ognl-injection-for-fun-and-learning-cve-2023-22527 Exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-22527 US Government Resource