Confluence Data Center - RCE (CVE-2023-22527)
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.
psychologyCrowdSec Analysis
CVE-2023-22527 is a critical template injection vulnerability in Confluence Data Center and Server that enables unauthenticated remote code execution.
CrowdSec has been tracking this vulnerability and its exploits since 5th of February 2024.
CrowdSec network data shows that most actors exploiting CVE-2023-22527 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2023-22527 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2023-22527 is currently experiencing high visibility and active exploitation across the internet.
Observed exploitation attempts typically involve requests directed at URLs containing /template/aui/text-inline.vm.
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| Event | Date |
|---|---|
| CVE Published | 2024-01-16 |
| CISA KEV | 2024-01-24 |
| Rule Released | 2024-02-05 |
| CISA Remediation Deadline | 2024-02-14 |
| CrowdSec First Seen | 2024-11-25 |