Vulnerability in Hashicorp Vault
CVE-2021-38554
HashiCorp Vault and Vault Enterprise’s UI erroneously cached and exposed user-viewed secrets between sessions in a single shared browser. Fixed in 1.8.0 and pending 1.7.4 / 1.6.6 releases.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.009 (58.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- discuss.hashicorp.com/t/hcsec-2021-19-vault-s-ui-cached-user-viewed-secrets-bet… (Vendor Advisory)
- security.gentoo.org/glsa/202207-01 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-38554?
- CVE-2021-38554 is a medium-severity vulnerability in Hashicorp Vault, classified under Improper Removal of Sensitive Information Before Storage or Transfer. CVSS score: 5.3/10. Published 2021-08-13.
- How severe is CVE-2021-38554?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2021-38554 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.