CVE-2021-38554

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.91% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 59.6% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-08-13 15:45Z5 YR AGO

Last updated

2024-08-04 01:44Z2 YR AGO

Reserved

2021-08-11

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-212Improper Removal of Sensitive Information Before Storage or TransferBase
• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.1

Document digest

821c9065846b67ef157603911ffea7af265a523f7dc886ee099b5337646756a7

• discuss.hashicorp.comhttps://discuss.hashicorp.com/t/hcsec-2021-19-vault-s-ui-cached-user-viewed-secrets-between-shared-browser-sessions/28166x_refsource_MISC
• security.gentoo.orgGLSA-202207-01https://security.gentoo.org/glsa/202207-01vendor-advisoryx_refsource_GENTOO