CVE-2023-22527AtlassianServers and softwareJanuary 24, 2024

Atlassian Confluence Data Center and Server Template Injection Vulnerability

Critical 9.8Actively exploitedUsed by ransomware

Description

Atlassian Confluence Data Center and Server contain an unauthenticated OGNL template injection vulnerability that can lead to remote code execution.

What to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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Details

Vendor
Atlassian
Product
Confluence Data Center e Server
CVE
CVE-2023-22527
Affected versions
Confluence Data Center 8.0: >= 8.0.0
Confluence Data Center 8.1: >= 8.1.0
Confluence Data Center 8.2: >= 8.2.0
Confluence Data Center 8.3: >= 8.3.0
Confluence Data Center 8.4: >= 8.4.0
Confluence Data Center 8.5: 4 versions, from >= 8.5.0 to >= 8.5.3
Confluence Server 8.0: >= 8.0.0
Confluence Server 8.1: >= 8.1.0
Confluence Server 8.2: >= 8.2.0
Confluence Server 8.3: >= 8.3.0
Confluence Server 8.4: >= 8.4.0
Confluence Server 8.5: 4 versions, from >= 8.5.0 to >= 8.5.3 (from the advisory and NVD; check the exact builds in the official advisory)
CVSS score
9.8
Actively exploited
Yes, listed in the CISA Known Exploited Vulnerabilities catalog
CISA due date
February 14, 2024 (deadline for US federal agencies: a good benchmark for you too)
Source
CISA KEV – original advisory
Published
January 24, 2024

The description and the recommended action are quoted from the public advisory; severity, exploitation status and affected versions are compiled automatically from public sources and may contain errors. The vendor's original advisory prevails: check it before taking action. This information is provided without warranty and does not replace a professional assessment.

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