by Kastro
Paper/Archive/CVE-2020-3992

CVE-2020-3992

VMware ESXi — VMware ESXi OpenSLP Use-After-Free Vulnerability

KEV · due 3 Mayransomware useEPSS 83%public exploitSSVC actCVSS 9.8
critical.is priorityof 100
99
CVSS 9.8 (ADP)9.8 / 10 × 3029.4In CISA KEV+3030.0EPSS percentile 99.7.997 × 2019.9Exploit: SSVC active+1010.0SSVC exploitation: active+1010.0
Description · from the CVE record

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

ProductAffectedFixed inSource
VMware ESXiVMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202010401-SG, 6.5 before ESXi650-202010401-SG)–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: active · Automatable: yes · Technical impact: total

References

refvmware.com/security/advisories/VMSA-2020-0023.htmlrefzerodayinitiative.com/advisories/ZDI-20-1377refzerodayinitiative.com/advisories/ZDI-20-1385refcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3992kevcisa.gov/known-exploited-vulnerabilities-catalog