8.8

CVE-2025-3879: hashicorp vault Incorrect Authorization

CVSS: 8.8v3.1HighAnalyzed
AliasesGHSA-f9ch-h8j7-8jwgBIT-vault-2025-3879GO-2025-3662
Published 02-05-2025Last modified 02-05-2025

Vulnerability summary

CVE-2025-3879 is a high (CVSS 8.8) Incorrect Authorization vulnerability in hashicorp vault. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 36.6% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.44%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 2

Timeline

  1. 02-05-2025
    PublishedVulnerability first disclosed.
  2. 02-05-2025
    Last modifiedVulnerability information updated.

Description

Vault Community, Vault Enterprise (“Vault”) Azure Auth method did not correctly validate the claims in the Azure-issued token, resulting in the potential bypass of the bound_locations parameter on login. Fixed in Vault Community Edition 1.19.1 and Vault Enterprise 1.19.1, 1.18.7, 1.17.14, 1.16.18.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

+0.02 pp

From 0.42% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.44%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard3 products
  • vault-1.16All versions (No fix recorded)
  • vault-1.17All versions (No fix recorded)
  • vault-1.18All versions (No fix recorded)
Hashicorp2 products
  • vaultEOL≥ 0.10.0, < 1.16.18 | ≥ 0.10.0, < 1.19.1 | ≥ 1.17.0, < 1.17.14 | ≥ 1.18.0, < 1.18.7 | 1.19.0
  • vault enterprise≥ 0.10.0, < 1.19.1
Github.com/hashicorp1 product
  • vault≥ 1.10.0, < 1.19.1

3 vendors · 6 products

References

6 links