by Kastro
Paper/Archive/CVE-2021-21986

CVE-2021-21986

vmware — The vSphere Client (HTML5) contains a vulnerability in a vSphere authentication mechanism for the Virtual SAN Health Check, Site Recovery…

EPSS 13%CVSS 9.8
critical.is priorityof 100
49
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 96.4.964 × 2019.3No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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 network access to port 443 on vCenter Server may perform actions allowed by the impacted plug-ins without authentication.

Affected

ProductAffectedFixed inSource
VMware vCenter Server and VMware Cloud FoundationVMware 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)–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refvmware.com/security/advisories/VMSA-2021-0010.htmlrefpacketstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html