CVE-2021-21993

6.5 mediumEPSS 0.9%

Medium (6.5) in vmware. EPSS 0.9% chance of exploitation in the next 30 days.

The vCenter Server contains an SSRF (Server Side Request Forgery) vulnerability due to improper validation of URLs in vCenter Server Content Library. An authorised user with access to content library may exploit this issue by sending a POST request to vCenter Server leading to information disclosure.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2021-09-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

vmware:cloud_foundation
vmware:vcenter_server

References

https://www.vmware.com/security/advisories/VMSA-2021-0020.html
https://www.vmware.com/security/advisories/VMSA-2021-0020.html

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