ET EXPLOIT SonicWall SMA 100 Series - Unauthenticated File Upload Path Traversal (CVE-2021-20040)

7.0.35.0SID: 2034896Rev: 2Enabled4 views
Sourceet/open
Fileemerging-exploit.rules
CreatedJanuary 12, 2022
UpdatedMarch 8, 2024
Classificationattempted-admin
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT SonicWall SMA 100 Series - Unauthenticated File Upload Path Traversal (CVE-2021-20040)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"swcctn="; fast_pattern; content:"|2e 2f|"; within:3; reference:url,research.nccgroup.com/2021/12/09/technical-advisory-sonicwall-sma-100-series-unauthenticated-file-upload-path-traversal-cve-2021-20040/; reference:cve,2021-20040; classtype:attempted-admin; sid:2034896; rev:2; metadata:created_at 2022_01_12, cve CVE_2021_20040, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_08, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1083, mitre_technique_name File_And_Directory_Discovery; target:dest_ip;)

References

urlresearch.nccgroup.com/2021/12/09/technical-advisory-sonicwall-sma-100-series-unauthenticated-file-upload-path-traversal-cve-2021-20040/
cve2021-20040

Metadata

created at2022_01_12
deploymentInternal
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_08
mitre tactic idTA0007
mitre tactic nameDiscovery
mitre technique idT1083
mitre technique nameFile_And_Directory_Discovery

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