CVE-2021-43998

mediumpriority · track · 26EPSS 0.010 · 64 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.04% (64th) EPSS

CVSS 5.5 · medium

Is it mine?

37 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

HashiCorp Vault and Vault Enterprise 0.11.0 up to 1.7.5 and 1.8.4 templated ACL policies would always match the first-created entity alias if multiple entity aliases exist for a specified entity and mount combination, potentially resulting in incorrect policy enforcement. Fixed in Vault and Vault Enterprise 1.7.6, 1.8.5, and 1.9.0.

cvss

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

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5.5–9.1

v2.05.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 8 · impact 4.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 1.2 · impact 5.2

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-732USprimaryCWE-732US

affected products (37)

Products and version ranges known to be affected.

Atlassian Bitbucket <10.0.2all versionscert_bundDE
Atlassian Bitbucket <8.19.25 (LTS)all versionscert_bundDE
Atlassian Bitbucket <9.4.13 (LTS)all versionscert_bundDE
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Gentoo Linuxall versionscert_bundDEcpe:/o:gentoo:linux:-
Meinberg LANTIME <7.08.007all versionscert_bundDE
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat Enterprise Linux Advanced Cluster Security for Kubernetes 4all versionscert_bundDEcpe:/o:redhat:enterprise_linux:advanced_cluster_security_for_kubernetes_4
Red Hat Enterprise Linux Service Interconnect 1all versionscert_bundDEcpe:/o:redhat:enterprise_linux:service_interconnect_1
Red Hat OpenShiftall versionscert_bundDEcpe:/a:redhat:openshift:-
Red Hat OpenShift Container Platform 4.12all versionscert_bundDEcpe:/a:redhat:openshift:container_platform_4.12
Red Hat OpenShift Container Platform <4.11.44all versionscert_bundDE
Red Hat OpenShift Container Platform <4.12.22all versionscert_bundDE
Red Hat OpenShift Container Platform <4.12.46all versionscert_bundDE
Red Hat OpenShift Container Platform <4.13.4all versionscert_bundDE
Red Hat OpenShift Container Platform <4.14.0all versionscert_bundDE
Red Hat OpenShift Data Foundation <4.12.10all versionscert_bundDE
Red Hat OpenShift Data Foundation <4.13.0all versionscert_bundDE
Atlassian Bitbucket< 10.0.2cert_bundDE

showing 20 of 37

advisories (5)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-0918Hashicorp Vault: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2021-11-18csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Hashicorp Vault ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
WID-SEC-W-2023-1542Red Hat OpenShift: Mehrere SchwachstellenDeutsch2023-06-22csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat OpenShift ausnutzen, um einen Denial of Service Zustand herbeizuführen, Informationen offenzulegen, Dateien zu manipulieren oder Sicherheitsvorkehrungen zu umgehen.
GHSA-pfmw-vj74-ph8gHashiCorp Vault Incorrect Permission Assignment for Critical Resource2021-12-02ghsa · osvUS
HashiCorp Vault and Vault Enterprise 0.11.0 up to 1.7.5 and 1.8.4 templated ACL policies would always match the first-created entity alias if multiple entity aliases exist for a specified entity and mount combination, potentially resulting in incorrect policy enforcement. Fixed in Vault and Vault Enterprise 1.7.6, 1.8.5, and 1.9.0.
BIT-vault-2021-439982024-03-06vendor · osvUS
HashiCorp Vault and Vault Enterprise 0.11.0 up to 1.7.5 and 1.8.4 templated ACL policies would always match the first-created entity alias if multiple entity aliases exist for a specified entity and mount combination, potentially resulting in incorrect policy enforcement. Fixed in Vault and Vault Enterprise 1.7.6, 1.8.5, and 1.9.0.
GO-2022-0611HashiCorp Vault Incorrect Permission Assignment for Critical Resource in github.com/hashicorp/vault2024-08-21vendor · osvUS
HashiCorp Vault Incorrect Permission Assignment for Critical Resource in github.com/hashicorp/vault

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund NVD CVE.org MITRE

published 2021-11-30modified 2026-06-17

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references (8)

External citations — patches, advisories, analysis.

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