48 lines
2.1 KiB
YAML
48 lines
2.1 KiB
YAML
id: CVE-2021-21985
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info:
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name: VMware vSphere Client (HTML5) - Remote Code Execution
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author: D0rkerDevil
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severity: critical
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description: |
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The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtual SAN Health Check plug-in which is enabled by default in vCenter Server. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server.
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impact: |
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Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system.
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remediation: |
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Apply the necessary security patches or updates provided by VMware to mitigate this vulnerability.
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reference:
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- https://www.vmware.com/security/advisories/VMSA-2021-0010.html
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- https://github.com/alt3kx/CVE-2021-21985_PoC
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- https://nvd.nist.gov/vuln/detail/CVE-2021-21985
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- http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html
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- https://github.com/onSec-fr/CVE-2021-21985-Checker
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 9.8
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cve-id: CVE-2021-21985
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cwe-id: CWE-20
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epss-score: 0.97371
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epss-percentile: 0.99903
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cpe: cpe:2.3:a:vmware:vcenter_server:6.5:-:*:*:*:*:*:*
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metadata:
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max-request: 1
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vendor: vmware
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product: vcenter_server
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tags: cve2021,cve,packetstorm,rce,vsphere,vmware,kev
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http:
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- raw:
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- |
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POST /ui/h5-vsan/rest/proxy/service/com.vmware.vsan.client.services.capability.VsanCapabilityProvider/getClusterCapabilityData HTTP/1.1
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Host: {{Hostname}}
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Accept: */*
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Content-Type: application/json
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{"methodInput":[{"type":"ClusterComputeResource","value": null,"serverGuid": null}]}
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matchers:
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- type: word
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part: body
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words:
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- '{"result":{"isDisconnected":'
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# digest: 4b0a00483046022100f78a24bedfbd4d489dc1a1aa33abdf977bcb1f2b926cb41e1a3bd9fa4f023b6e022100a2078866397378d7314d388e1c523935ae85d07fd410245cc56b6b76afc02929:922c64590222798bb761d5b6d8e72950 |