critical9.8Known exploited
CVE-2020-3992
VMware ESXi OpenSLP Use-After-Free Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2021-11-03. Federal due date: 2022-05-03.
Apply updates per vendor instructions.
Impact
OpenSLP as used in VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202010401-SG, 6.5 before ESXi650-202010401-SG) has a use-after-free issue. A malicious actor residing in the management network who has access to port 427 on an ESXi machine may be able to trigger a use-after-free in the OpenSLP service resulting in remote code execution.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Vmware | Cloud Foundation | from 3.0 before 3.10.1.2 from 4.0 before 4.1.0.1 |
| Vmware | Esxi | Versions 6.5, 6.7, 7.0.0 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- https://www.vmware.com/security/advisories/VMSA-2020-0023.html
- https://www.zerodayinitiative.com/advisories/ZDI-20-1377/
- https://www.zerodayinitiative.com/advisories/ZDI-20-1385/
- https://www.vmware.com/security/advisories/VMSA-2020-0023.html
- https://www.zerodayinitiative.com/advisories/ZDI-20-1377/
- https://www.zerodayinitiative.com/advisories/ZDI-20-1385/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3992