ET WEB_SERVER N-able N-central Authenticated importServiceFromFile XML External Entity Injection (CVE-2025-11700)
Sourceet/open
CreatedNovember 18, 2025
UpdatedNovember 18, 2025
Classificationweb-application-attack
alert http any any -> $HOME_NET any (msg:"ET WEB_SERVER N-able N-central Authenticated importServiceFromFile XML External Entity Injection (CVE-2025-11700)"; flow:established,to_server; http.uri; content:"/dms/services/ServerMMS"; fast_pattern; http.request_body; content:"ns1:applianceLogSubmit"; content:"|3c 21|ENTITY|20|"; pcre:"/^\s*?(?:\x26\x23(?:x25|37)\x3b|\x25|[a-z]+)\x20[a-z]+\x20[A-Z]+\x20[\x22\x27][^\x22]*[\x22\x27]\x3e/R"; reference:url,horizon3.ai/attack-research/attack-blogs/n-able-n-central-from-n-days-to-0-days/; reference:cve,2025-11700; classtype:web-application-attack; sid:2065811; rev:1; metadata:affected_product N_Able, attack_target Server, tls_state TLSDecrypt, created_at 2025_11_18, cve CVE_2025_11700, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_18, 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 productN_Able
attack targetServer
tls stateTLSDecrypt
created at2025_11_18
deploymentSSLDecrypt
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2025_11_18
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application
Comments (0)
Please sign in to leave a comment.
Sign inNo comments yet. Be the first to comment!