CVE-2020-3992
CVSS v3
9.8
CRITICAL
EPSS Score
82.7 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
CISA Known Exploited Vulnerability
- Date Added
- 2021-11-03
- Patch Due Date
- 2022-05-03
- Ransomware Use
- Known
Technical details
- Published
- 2020-10-20
Frequently asked questions
What is CVE-2020-3992?
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.
Is CVE-2020-3992 actively exploited?
Yes. CVE-2020-3992 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-03.
What is the CVSS score for CVE-2020-3992?
CVE-2020-3992 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2020-3992 affecting your environment?
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