CVE-2020-3992
Last modified
CVE-2020-3992 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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 has confirmed active exploitation in the wild. EPSS estimates a 83.02% chance of exploitation in the next 30 days.
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.
Metrics
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vmware | Cloud Foundation | >= 3.0, < 3.10.1.2 |
| Vmware | Cloud Foundation | >= 4.0, < 4.1.0.1 |
| Vmware | Esxi | 6.5 |
| Vmware | Esxi | 6.7 |
| Vmware | Esxi | 7.0.0 |
References
- https://www.vmware.com/security/advisories/VMSA-2020-0023.htmlPatch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1377/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-1385/Third Party Advisory, VDB Entry
- https://www.vmware.com/security/advisories/VMSA-2020-0023.htmlPatch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1377/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-1385/Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3992US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
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Related CVEs from 2020
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- CVE-2020-3988VMware Workstation (15.x) and Horizon Client for Windows (5.…6.1
- CVE-2020-3989VMware Workstation (15.x) and Horizon Client for Windows (5.…3.3
- CVE-2020-3990VMware Workstation (15.x) and Horizon Client for Windows (5.…6.5
- CVE-2020-3991VMware Horizon Client for Windows (5.x before 5.5.0) contain…7.1
- CVE-2020-3993VMware NSX-T (3.x before 3.0.2, 2.5.x before 2.5.2.2.0) cont…5.9
- CVE-2020-3994VMware vCenter Server (6.7 before 6.7u3, 6.6 before 6.5u3k) …7.4
- CVE-2020-3995In VMware ESXi (6.7 before ESXi670-201908101-SG, 6.5 before …5.3
- CVE-2020-3996Velero (prior to 1.4.3 and 1.5.2) in some instances doesn’t …5.5
- CVE-2020-3997VMware Horizon Server (7.x prior to 7.10.3 or 7.13.0) contai…5.4
- CVE-2020-3998VMware Horizon Client for Windows (5.x prior to 5.5.0) conta…6.5
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