CVE-2020-3994 is a session hijack vulnerability in VMware vCenter Server (versions 6.7 before 6.7u3 and 6.5 before 6.5u3k) and Cloud Foundation, stemming from a lack of certificate validation in the vCenter Server Appliance Management Interface update function. This high-severity vulnerability (CVSS 7.4) allows a malicious actor with network positioning to perform a session hijack during vCenter update downloads, potentially leading to high confidentiality and integrity impacts. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.0, < 3.9CPE matchmatch criteria | cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:* | ||
6.5CPE matchmatch criteria | cpe:2.3:a:vmware:vcenter_server:6.5:-:*:*:*:*:*:* | ||
6.5CPE matchmatch criteria | cpe:2.3:a:vmware:vcenter_server:6.5:a:*:*:*:*:*:* | ||
6.5CPE matchmatch criteria | cpe:2.3:a:vmware:vcenter_server:6.5:b:*:*:*:*:*:* | ||
6.5CPE matchmatch criteria | cpe:2.3:a:vmware:vcenter_server:6.5:c:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.