Emerging Threathightest

CVE-2021-21972 VSphere Exploitation

Detects the exploitation of VSphere Remote Code Execution vulnerability as described in CVE-2021-21972

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Bhabesh RajCreated Wed Feb 24Updated Mon Jan 02179ed852-0f9b-4009-93a7-68475910fd862021

Emerging Threat

Active Threat

Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.

Log Source

Web Server Log

CategoryWeb Server Log← raw: webserver

HTTP access logs from web servers capturing request paths, methods, and status codes.

Detection Logic

detection:
    selection:
        cs-method: 'POST'
        cs-uri-query: '/ui/vropspluginui/rest/services/uploadova'
    condition: selection

False Positives

OVA uploads to your VSphere appliance

References

MITRE ATT&CK

Tactics

TA0001 · Initial Access

Techniques

T1190 · Exploit Public-Facing Application

Other

cve.2021-21972detection.emerging-threats

Rule Metadata

Rule ID

179ed852-0f9b-4009-93a7-68475910fd86

Status

test

Level

high

Type

Emerging Threat

Created

Wed Feb 24

Modified

Mon Jan 02

Author

Bhabesh Raj

Path

rules-emerging-threats/2021/Exploits/CVE-2021-21972/web_cve_2021_21972_vsphere_unauth_rce_exploit.yml

Raw Tags

attack.initial-accessattack.t1190cve.2021-21972detection.emerging-threats

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