CVE-2023-20894
The VMware vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 33.9%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
The VMware vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger an out-of-bound write by sending a specially crafted packet leading to memory corruption.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 33.95% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- vmware/vcenter server
- Source
- security@vmware.com
EPSS 33.9% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1658
- https://www.vmware.com/security/advisories/VMSA-2023-0014.htmlPatch, Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1658
- https://www.vmware.com/security/advisories/VMSA-2023-0014.htmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.