Vulnerability · Published Sep 22, 2021 · Assigned by vmware
CVE-2021-21992
Medium 6.5
In plain English
A medium-severity security flaw in VMware vCenter Server, VMware Cloud Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.0%top 37.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The vCenter Server contains a denial-of-service vulnerability due to improper XML entity parsing. A malicious actor with non-administrative user access to the vCenter Server vSphere Client (HTML5) or vCenter Server vSphere Web Client (FLEX/Flash) may exploit this issue to create a denial-of-service condition on the vCenter Server host.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | VMware vCenter Server, VMware Cloud Foundation | VMware vCenter Server(7.x before 7.0 U2c, 6.7 before 6.7 U3o and 6.5 before 6.5 U3q) and VMware Cloud Foundation (4.x before 4.3 and 3.x before 3.10.2.2) |
References
- https://www.vmware.com/security/advisories/VMSA-2021-0020.html x_refsource_MISC