CVE-2023-20900

highpriority · track · 31OT risk · elevatedEPSS 0.015 · 74 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.47% (74th) EPSS

CVSS 7.5 · high

Is it mine?

43 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A malicious actor that has been granted Guest Operation Privileges https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html in a target virtual machine may be able to elevate their privileges if that target virtual machine has been assigned a more privileged Guest Alias https://vdc-download.vmware.com/vmwb-repository/dcr-public/d1902b0e-d479-46bf-8ac9-cee0e31e8ec0/07ce8dbd-db48-4261-9b8f-c6d3ad8ba472/vim.vm.guest.AliasManager.html .

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.6 · impact 5.9

v3.17.5highAV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.1highCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.1highCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · security@vmware.comexploitability 1.2 · impact 5.9

v3.16.9mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-294USprimaryCWE-310US

affected products (43)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Dell NetWorker vProxy<19.10all versionscert_bundDE
Dell NetWorker vProxy<19.9.0.4all versionscert_bundDE
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
IBM DataPower Gateway <10.5.0.12all versionscert_bundDE
IBM DataPower Gateway <10.6.0.0all versionscert_bundDE
IBM QRadar SIEM <7.5.0 UP7 IF02all versionscert_bundDE
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Dell Networker≤ vProxy<19.10cert_bundDE
Dell Networker≤ vProxy<19.9.0.4cert_bundDE
IBM DataPower Gateway< 10.5.0.12cert_bundDE
IBM DataPower Gateway< 10.6.0.0cert_bundDE
IBM QRadar SIEM< 7.5.0 UP7 IF02cert_bundDE
n/a VMware Tools≤ 11.x.xenisa_euvdEU
n/a VMware Tools≤ 10.3.xenisa_euvdEU
n/a VMware Tools≤ 12.x.xenisa_euvdEU

showing 20 of 43

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2241VMware Tools: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2023-08-30csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in VMware Tools ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
WID-SEC-W-2023-2902IBM Security Guardium: Mehrere SchwachstellenDeutsch2023-11-14csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in IBM Security Guardium ausnutzen, um seine Privilegien zu erweitern, beliebigen Programmcode auszuführen, Sicherheitsvorkehrungen zu umgehen, Dateien zu manipulieren, einen Denial of Service Zustand herbeizuführen oder Informationen offenzulegen.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2023-08-31modified 2026-10-08

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+336 more

references (33)

External citations — patches, advisories, analysis.

scry

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