CVE-2020-3992

critical-risk
Published 2020-10-20

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.

Do I need to act?

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90.9% chance of exploitation in next 30 days
EPSS score — higher than 9% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Vmware

References (7)

Patch https://www.vmware.com/security/advisories/VMSA-2020-0023.html
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-1377/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-1385/
Patch https://www.vmware.com/security/advisories/VMSA-2020-0023.html
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-1377/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-1385/
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-...
92
/ 100
critical-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 33/34 · Critical