ET EXPLOIT [ConnectWise CRU] Potential Sonicwall SMA Authentication Bypass (management) (CVE-2021-20016)

SID: 2033345Rev: 21 views
History
Sourceet/open
CreatedJuly 16, 2021
UpdatedJuly 16, 2021
Classificationweb-application-attack
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT [ConnectWise CRU] Potential Sonicwall SMA Authentication Bypass (management) (CVE-2021-20016)"; flow:established,to_server; http.uri; content:"/cgi-bin/management"; http.referer; content:!"/__api__/v1/logon"; tag:session,5,packets; reference:cve,2021-20016; reference:url,www.jpcert.or.jp/english/at/2021/at210006.html; classtype:web-application-attack; sid:2033345; rev:2; metadata:created_at 2021_07_16, cve CVE_2021_20016, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_16, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)

References

cve2021-20016
urlwww.jpcert.or.jp/english/at/2021/at210006.html

Metadata

created at2021_07_16
deploymentSSLDecrypt
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2021_07_16
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application

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