ET WEB_SPECIFIC_APPS Ivanti Sentry handleMessage commandexec Pre-Auth Command Injection Attempt (CVE-2026-10520)
Sourceet/open
Fileemerging-web_specific_apps.rules
CreatedJune 11, 2026
UpdatedJune 11, 2026
Classificationattempted-admin
alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Ivanti Sentry handleMessage commandexec Pre-Auth Command Injection Attempt (CVE-2026-10520)"; flow:established,to_server ; http.method; content:"POST"; http.uri; bsize:45; content:"/mics/api/v2/sentry/mics-config/handleMessage"; fast_pattern; http.request_body; content:"message|3d|execute|20|system|20|/configuration/system/commandexec|20 3c|commandexec|3e 3c|index|3e|1|3c 2f|index|3e 3c|reqandres|3e|"; startswith; content:"|3c 2f|reqandres|3e 3c 2f|commandexec|3e|"; endswith; reference:url,labs.watchtowr.com/more-evidence-that-words-dont-mean-what-we-thought-they-meant-ivanti-sentry-pre-auth-os-command-injection-cve-2026-10520/ ; reference:cve,2026-10520 ; classtype:attempted-admin; sid:2069909; rev:1; metadata:affected_product Ivanti, attack_target Networking_Equipment, tls_state TLSDecrypt, created_at 2026_06_11, cve CVE_2026_10520, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2026_06_11, 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 productIvanti
attack targetNetworking_Equipment
tls stateTLSDecrypt
created at2026_06_11
deploymentSSLDecrypt
performance impactLow
confidenceHigh
signature severityMajor
tagExploit
updated at2026_06_11
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application
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