Auth bypass in Hashicorp Vault
CVE-2022-40186
An issue was discovered in HashiCorp Vault and Vault Enterprise before 1.11.3. A vulnerability in the Identity Engine was found where, in a deployment where an entity has multiple mount accessors with shared alias names, Vault may overwrite metadata to the wrong alias due to an issue with checking the proper alias assigned to an entity. This may allow for unintended access to key/value paths using that metadata in Vault.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (61.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.010 · change: +0.002
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- discuss.hashicorp.com (Vendor Advisory)
- discuss.hashicorp.com/t/hcsec-2022-18-vault-entity-alias-metadata-may-leak-betw… (Vendor Advisory)
- security.netapp.com/advisory/ntap-20221111-0008/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-40186?
- CVE-2022-40186 is a critical-severity vulnerability in Hashicorp Vault, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.1/10. Published 2022-09-22.
- How severe is CVE-2022-40186?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2022-40186 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.