Resource exhaustion in VMware Cloud Foundation
CVE-2020-3976
VMware ESXi and vCenter Server contain a partial denial of service vulnerability in their respective authentication services. VMware has evaluated the severity of this issue to be in the Moderate severity range with a maximum CVSSv3 base score of 5.3.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.021 (81.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- VMware Cloud Foundation
- VMware Esxi — versions 6.5, 6.7, 7.0
- VMware Vcenter Server — versions 6.5, 6.7, 7.0
- Esxi, Vcenter Server, And Cloud Foundation — versions ESXi 7.0, 6.7, 6.5, vCenter Server 7.0, 6.7, 6.5, and Cloud Foundation 4.x.x, and 3.x.x release lines.
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.vmware.com/security/advisories/VMSA-2020-0018.html (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3976?
- CVE-2020-3976 is a medium-severity vulnerability in VMware Cloud Foundation, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2020-08-21.
- How severe is CVE-2020-3976?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2020-3976 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.