What is CVE-2021-43998?

CVE-2021-43998 is a medium-severity vulnerability in Hashicorp Vault, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.5/10. Published 2021-11-30.

How severe is CVE-2021-43998?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Hashicorp Vault

CVE-2021-43998

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.

EPSS: 0.010 (59.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.

Affected products

Hashicorp Vault — versions 1.8.4
N/a — versions n/a

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2021-43998?: CVE-2021-43998 is a medium-severity vulnerability in Hashicorp Vault, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.5/10. Published 2021-11-30.
How severe is CVE-2021-43998?: Medium severity. CVSS v3 base score is 6.5 out of 10.