CVE-2021-22049: vmware vcenter_server Server-Side Request Forgery (SSRF)
Vulnerability summary
CVE-2021-22049 is a critical (CVSS 9.8) Server-Side Request Forgery (SSRF) vulnerability in vmware vcenter_server. EPSS estimates a 1.73% chance of exploitation in the next 30 days, higher than 77.2% of scored vulnerabilities.
Timeline
- 24-11-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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 metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.73%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
0.00 pp
From 1.73% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Vmware1 product
- vcenter_serverEOL6.5 | 6.7 | 7.0
1 vendor · 1 product