CRITICAL KEV Used in ransomware campaigns ⚠
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
Published Oct 20, 2020 ·Due May 3, 2022
9.8
CRITICALCVSS 3.1
EPSS 83.02%
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.
Affected products
- Vendor n/a Product VMware ESXi Defaultn/a
- Version VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202010401-SG, 6.5 before ESXi650-202010401-SG)StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | VMware ESXi | n/a |
|
OR
- ≥ 3.0 · < 3.10.1.2
- ≥ 4.0 · < 4.1.0.1
- 6.5
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- 7.0.0
- 7.0.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (1)
References (5)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-25257 Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3992 government-resourceUS Government Resource
- https://www.vmware.com/security/advisories/VMSA-2020-0023.html x_refsource_MISCPatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1377/ x_refsource_MISCThird Party AdvisoryVDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-1385/ x_refsource_MISCThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-25257 | Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3992 | government-resourceUS Government Resource | |
| https://www.vmware.com/security/advisories/VMSA-2020-0023.html | x_refsource_MISCPatchVendor Advisory | |
| https://www.zerodayinitiative.com/advisories/ZDI-20-1377/ | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| https://www.zerodayinitiative.com/advisories/ZDI-20-1385/ | x_refsource_MISCThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner vmware
Published Oct 20, 2020
Updated Aug 12, 2026
Reserved Dec 30, 2019
Link CVE-2020-3992
CISA Vulnrichment
Updated Jan 29, 2025
ENISA EUVD
EUVD-2020-25257 Assigner vmware
Published Oct 20, 2020
Updated Aug 12, 2026
Exploited since Nov 3, 2021
Link EUVD-2020-25257