CVE-2021-38554

lowpriority · track · 21EPSS 0.009 · 60 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.91% (60th) EPSS
CVSS 3.5 · low
Is it mine?
5 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

5.3
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.3

v2.03.5lowAV:N/AC:M/Au:S/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9
v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 1.6 · impact 3.6
v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV
v3.14.9mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

03

affected products (5)

Products and version ranges known to be affected.

04

advisories (3)

Vendor and ecosystem advisories describing this.

  • GHSA-6239-28c2-9mrmImproper Removal of Sensitive Information Before Storage or Transfer in HashiCorp Vault2021-08-30ghsa · osvUS

    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.

  • BIT-vault-2021-385542024-03-06vendor · osvUS

    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.

  • GO-2022-0632Improper Removal of Sensitive Information Before Storage or Transfer in HashiCorp Vault in github.com/hashicorp/vault2024-08-21vendor · osvUS

    Improper Removal of Sensitive Information Before Storage or Transfer in HashiCorp Vault in github.com/hashicorp/vault

05

also known as (6)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

published 2021-08-13modified 2026-06-17
08

references (8)

External citations — patches, advisories, analysis.

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