ET EXPLOIT Cisco IOS XE Web Server Possible Authentication Bypass Attempt (CVE-2023-20198) (Inbound)

7.0.3 5.0SID: 2048941Rev: 3Enabled51 views

Fileemerging-exploit.rules

CreatedOctober 30, 2023

UpdatedOctober 31, 2023

Classificationattempted-admin

alert http $EXTERNAL_NET any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Cisco IOS XE Web Server Possible Authentication Bypass Attempt (CVE-2023-20198) (Inbound)"; reference:url,blog.talosintelligence.com/active-exploitation-of-cisco-ios-xe-software/; reference:cve,2023-20198; classtype:attempted-admin; sid:2048941; rev:3; metadata:created_at 2023_10_30, cve CVE_2023_20198, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_10_31, reviewed_at 2024_01_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)

Detection details are hidden.

References

url	blog.talosintelligence.com/active-exploitation-of-cisco-ios-xe-software/
cve	2023-20198

Metadata

created at2023_10_30

cve

CVE-2023-20198

deploymentSSLDecrypt

confidenceHigh

signature severityMajor

tagDescription_Generated_By_Proofpoint_Nexus

updated at2023_10_31

reviewed at2024_01_26

mitre tactic idTA0001

mitre tactic nameInitial_Access

mitre technique idT1190

mitre technique nameExploit_Public_Facing_Application

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