Vulnerability · Published Nov 24, 2021 · Assigned by vmware
CVE-2021-21980
High 7.5
In plain English
A high-severity security flaw in VMware vCenter Server and 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 4.7% (higher than 92% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)4.7%top 8.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
The vSphere Web Client (FLEX/Flash) contains an unauthorized arbitrary file read vulnerability. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to gain access to sensitive information.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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.x |
References
- https://www.vmware.com/security/advisories/VMSA-2021-0027.html x_refsource_MISC