Confluence Data Center - RCE (CVE-2023-22527)
280Exploiting IPs reported
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.
CrowdSec 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. CrowdSec data also reveals a clear uptick in attacks involving CVE-2023-22527 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.
Observed exploitation attempts typically involve requests directed at URLs containing /template/aui/text-inline.vm.
Exploitation
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Protection
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Blocklist
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