ET WEB_SPECIFIC_APPS Apache Tomcat Directory Protection Bypass via Rewrite Valve Directory Traversal Attempt (CVE-2025-55752)
Sourceet/open
CreatedMay 19, 2026
UpdatedMay 19, 2026
Classificationattempted-admin
alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Apache Tomcat Directory Protection Bypass via Rewrite Valve Directory Traversal Attempt (CVE-2025-55752)"; flow:established,to_server; http.uri; pcre:"/^[^\x26]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x3b|\x253[bB])(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,})(?:META|WEB)/R"; content:"-INF"; fast_pattern; reference:url,github.com/TAM-K592/CVE-2025-55752; reference:cve,2025-55752; classtype:attempted-admin; sid:2069336; rev:1; metadata:affected_product Apache_Tomcat, attack_target Web_Server, tls_state plaintext, created_at 2026_05_19, cve CVE_2025_55752, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2026_05_19, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)
References
Metadata
affected productApache_Tomcat
attack targetWeb_Server
tls stateplaintext
created at2026_05_19
deploymentInternal
performance impactLow
confidenceHigh
signature severityMajor
tagExploit
updated at2026_05_19
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application
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