Vulnerability in Hashicorp Vault

CVE-2021-41802

HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.

EPSS: 0.006 (44.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.9 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-41802?
CVE-2021-41802 is a low-severity vulnerability in Hashicorp Vault, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 2.9/10. Published 2021-10-08.
How severe is CVE-2021-41802?
Low severity. CVSS v3 base score is 2.9 out of 10.
Is CVE-2021-41802 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.