CVE-2021-22049
highpriority · track · 40EPSS 0.017 · 77 %ileEURUUSEPSS · scored 2026-10-26
The vSphere Web Client (FLEX/Flash) contains an SSRF (Server Side Request Forgery) vulnerability in the vSAN Web Client (vSAN UI) plug-in. A malicious actor with network access to port 443 on vCenter Server may exploit this issue by accessing a URL request outside of vCenter Server or accessing an internal service.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.5–9.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (7)
Products and version ranges known to be affected.
- n/a VMware vCenter Server and VMware Cloud Foundation≤ VMware vCenter Server (6.7 before 6.7 U3p and 6.5 before 6.5 U3r) and VMware Cloud Foundation 3.xenisa_euvdEU
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- http://www.vmware.com/security/advisories/VMSA-2021-0027.htmlPatchcnnvd
- https://vigilance.fr/vulnerability/VMware-vCenter-Server-two-vulnerabilities-36953cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.3999cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021112316cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022010422cnnvd
- https://www.vmware.com/security/advisories/VMSA-2021-0027.htmlcnnvd
- https://www.vmware.com/security/advisories/VMSA-2021-0027.htmlenisa_euvd
- https://www.vmware.com/security/advisories/VMSA-2021-0027.htmlPatchVendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan