CVE-2023-20893

criticalpriority · track · 39EPSS 0.012 · 69 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.25% (69th) EPSS

CVSS 9.8 · critical

Is it mine?

11 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-26

The VMware vCenter Server contains a use-after-free vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may exploit this issue to execute arbitrary code on the underlying operating system that hosts vCenter Server.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.18.1highAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · security@vmware.comexploitability 2.2 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USprimaryCWE-416US

affected products (11)

Products and version ranges known to be affected.

VMware VMware Cloud Foundation (vCenter Server)4.x → 7.0 U3m, 8.0 U1benisa_euvdEU
VMware VMware Cloud Foundation (vCenter Server)5.x → 7.0 U3m, 8.0 U1benisa_euvdEU
VMware VMware vCenter Server (vCenter Server)7.0 → 7.0 u3menisa_euvdEU
VMware VMware vCenter Server (vCenter Server)8.0 → 8.0 U1benisa_euvdEU
Broadcom Inc. VMware Cloud Foundation4.0 → 7.0 U3mfstec_bduRU
Broadcom Inc. VMware Cloud Foundation5.0 → 8.0 U1bfstec_bduRU
Broadcom Inc. VMware vCenter Server7.0 → 7.0 U3mfstec_bduRU
Broadcom Inc. VMware vCenter Server8.0 → 8.0 U1bfstec_bduRU
vmware vcenter server< 7.0nvdUScpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*
vmware vcenter server= 7.0nvdUScpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*
vmware vcenter server= 8.0nvdUScpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1541VMware vCenter Server und VMware Cloud Foundation: Mehrere Schwachstellen ermöglichen CodeausführungDeutsch2023-06-21csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in VMware vCenter Server und VMware Cloud Foundation ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmechanismen zu umgehen und um einen Denial of Service Zustand herbeizuführen.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd cert_bund NVD CVE.org MITRE

published 2023-06-22modified 2026-06-17

related (12,094)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-68820US	—OT critical	0.33% (26th)	KEV	2026-08-11
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-5281US	—OT critical	13.5% (96th)	KEV	2026-04-01
Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page…
CVE-2026-2441US	high8.8OT critical	55.0% (99th)	KEV	2026-02-13
Use after free in CSS in Google Chrome prior to 145.0.7632.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security sever…
CVE-2025-43529US	—OT critical	25.7% (98th)	KEV	2025-12-17
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2,…
CVE-2025-62221US	—OT critical	2.50% (85th)	KEV	2025-12-09
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

+12089 more

references (8)

External citations — patches, advisories, analysis.

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