CVE-2020-3992: VMware ESXi OpenSLP Use-After-Free Vulnerability
Critical · CVSS 9.8 (CVSS 3.1)KEV known exploitedEPSS 83.0%, 100th percentilePublished Updated Assigner: vmware
In CISA’s Known Exploited Vulnerabilities catalog: VMware ESXi OpenSLP Use-After-Free Vulnerability.
Added , federal remediation due . Known ransomware use: Known.
Required action: Apply updates per vendor instructions.
Description
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.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
VMware ESXi
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- www.vmware.com/security/advisories/VMSA-2020-0023.html (opens in new tab)
- www.zerodayinitiative.com/advisories/ZDI-20-1377/ (opens in new tab)
- www.zerodayinitiative.com/advisories/ZDI-20-1385/ (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)