Security News > 2024 > January > Hackers start exploiting critical Atlassian Confluence RCE flaw
Security researchers are observing exploitation attempts for the CVE-2023-22527 remote code execution flaw vulnerability that affects outdated versions of Atlassian Confluence servers.
Atlassian disclosed the security issue last week and noted that it impacts only Confluence versions released before December 5, 2023, along with some out-of-support releases.
The flaw has a critical severity score and is described as a template injection weakness that allows unauthenticated remote attackers to execute code on vulnerable Confluence Data Center and Confluence Server endpoints, versions versions 8.0.x, 8.1.x, 8.2.x, 8.3.x, 8.4.x, and 8.5.0 through 8.5.3.
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Related Vulnerability
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2024-01-16 | CVE-2023-22527 | Injection vulnerability in Atlassian Confluence Data Center and Confluence Server A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. | 9.8 |