Vulnerability in VMware Cloud Foundation
CVE-2020-3994
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.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.006 (49.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- VMware Cloud Foundation
- VMware Vcenter Server — versions 6.5, 6.7
- Vcenter Server — versions vCenter Server (6.7 before 6.7u3, 6.6 before 6.5u3k)
Weakness classification (CWE)
References
- www.vmware.com/security/advisories/VMSA-2020-0023.html (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3994?
- CVE-2020-3994 is a high-severity vulnerability in VMware Cloud Foundation, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2020-10-20.
- How severe is CVE-2020-3994?
- High severity. CVSS v3 base score is 7.4 out of 10.