CVE-2020-3994

HIGH

VMware vCenter Server 6.7 < 6.7u3 and 6.5 < 6.5u3k - Session Hijack via Update Repository Certificate Validation Bypass

Title source: llm
STIX 2.1

Description

VMware vCenter Server (6.7 before 6.7u3, 6.6 before 6.5u3k) contains a session hijack vulnerability in the vCenter Server Appliance Management Interface update function due to a lack of certificate validation. A malicious actor with network positioning between vCenter Server and an update repository may be able to perform a session hijack when the vCenter Server Appliance Management Interface is used to download vCenter updates.

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://www.vmware.com/security/advisories/VMSA-2020-0023.html

Scores

CVSS v3 7.4
EPSS 0.0013
EPSS Percentile 31.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-295
Status published
Products (3)
vmware/cloud_foundation 3.0 - 3.9
vmware/vcenter_server 6.5 (20 CPE variants)
vmware/vcenter_server 6.7 (9 CPE variants)
Published Oct 20, 2020
Tracked Since Feb 18, 2026