ET WEB_SPECIFIC_APPS Cisco RV Series Router import_config.cgi USBconfigfile Command Injection Attempt (CVE-2023-20128)
Sourceet/open
CreatedJuly 21, 2025
UpdatedJuly 21, 2025
Classificationweb-application-attack
alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Cisco RV Series Router import_config.cgi USBconfigfile Command Injection Attempt (CVE-2023-20128)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:26; content:"/cgi-bin/import_config.cgi"; fast_pattern; http.request_body; content:"Content-Disposition|3a 20|form-data|3b 20|name|3d 22|USBconfigfile|22|"; pcre:"/^.*(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24)|IFS)+/R"; reference:url,www.iotsec-zone.com/article/383; reference:cve,2023-20128; classtype:web-application-attack; sid:2063623; rev:1; metadata:affected_product Cisco_RV_Series, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_07_21, cve CVE_2023_20128, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_07_21, 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 productCisco_RV_Series
attack targetNetworking_Equipment
tls stateplaintext
created at2025_07_21
deploymentInternal
performance impactLow
confidenceHigh
signature severityMajor
tagExploit
updated at2025_07_21
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application
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