Auth bypass in Vmware Cloud_foundation
CVE-2021-21986
The vSphere Client (HTML5) contains a vulnerability in a vSphere authentication mechanism for the Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager, and VMware Cloud Director Availability plug-ins. A malicious actor with n…
Vulnerability class: Broken Authentication
EPSS: 0.129 (95.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Vmware Cloud_foundation
- Vmware Vcenter_server — versions 6.5, 6.7, 7.0
- N/a Vmware Vcenter Server And Cloud Foundation — versions VMware vCenter Server (7.x before 7.0 U2b, 6.7 before 6.7 U3n, 6.5 before 6.5 U3p) and VMware Cloud Foundation (4.x before 4.2.1, 3.x before 3.10.2.1)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@vmware.com (x_refsource_MISC, Vendor Advisory)
- security@vmware.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-21986?
- CVE-2021-21986 is a critical-severity vulnerability in Vmware Cloud_foundation, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2021-05-26.
- How severe is CVE-2021-21986?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-21986 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.