Rule History

alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Possible Atlassian Confluence Pre-Authorization Arbitrary File Read Attempt (pom.properties) (CVE-2021-26085)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/s/123cfx/_/|3b|/META-INF/maven/com.atlassian.confluence/confluence-webapp/pom.properties"; nocase; fast_pattern; http.header_names; content:!"Cookie|0d 0a|"; content:!"Authorization|0d 0a|"; reference:url,packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html; reference:cve,2021-26085; classtype:attempted-admin; sid:2034152; rev:1; metadata:attack_target Server, created_at 2021_10_07, cve CVE_2021_26085, deployment Perimeter, deployment Internal, performance_impact Low, confidence Medium, signature_severity Major, tag Exploit, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_10_07;)