ET WEB_SPECIFIC_APPS VMware Workspace ONE Access OAuth2TokenResourceController ACS Authentication Bypass (CVE-2022-22956)
Sourceet/open
CreatedOctober 27, 2025
UpdatedOctober 27, 2025
Classificationweb-application-attack
alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS VMware Workspace ONE Access OAuth2TokenResourceController ACS Authentication Bypass (CVE-2022-22956)"; flow:established,to_server; http.uri; content:"/SAAS/API/1.0/REST/oauth2/generateActivationToken/Service__OAuth2Client"; fast_pattern; http.method; content:"POST"; reference:url,srcincite.io/blog/2022/08/11/i-am-whoever-i-say-i-am-infiltrating-vmware-workspace-one-access-using-a-0-click-exploit.html; reference:cve,2022-22956; classtype:web-application-attack; sid:2065404; rev:1; metadata:affected_product VMware, attack_target Server, tls_state TLSDecrypt, created_at 2025_10_27, cve CVE_2022_22956, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_27, 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 productVMware
attack targetServer
tls stateTLSDecrypt
created at2025_10_27
deploymentSSLDecrypt
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2025_10_27
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application
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