CVE-2023-22527

9.8 CRITICAL CISA KEV - Actively Exploited
Published: January 16, 2024 Modified: October 24, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html
Source: security@atlassian.com
Exploit Third Party Advisory VDB Entry
https://jira.atlassian.com/browse/CONFSERVER-93833
Source: security@atlassian.com
Issue Tracking Vendor Advisory
http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry
https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://jira.atlassian.com/browse/CONFSERVER-93833
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-22527
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
94.4%
100th percentile
Exploitation Status
Actively Exploited
Remediation due: 2024-02-14

Weaknesses (CWE)

Affected Vendors

atlassian