VulnerabilityModified
CVE-2021-22016
The vCenter Server contains a reflected cross-site scripting vulnerability due to a lack of input sanitization.
MEDIUM 6.1EPSS 0.90%
Does this matter?
Lower severity and a low EPSS score (0.90%). Track it; it rarely justifies an emergency change on its own.
Description
The vCenter Server contains a reflected cross-site scripting vulnerability due to a lack of input sanitization. An attacker may exploit this issue to execute malicious scripts by tricking a victim into clicking a malicious link.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.90% probability · 59th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- vmware/cloud foundation · vmware/vcenter server
- Source
- security@vmware.com
EPSS 0.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.vmware.com/security/advisories/VMSA-2021-0020.htmlPatch, Vendor Advisory
- https://www.vmware.com/security/advisories/VMSA-2021-0020.htmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.