CVE-2021-27668

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

1.04% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 61.7% 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:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD analysis status

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

Red Hat severity

Moderate. 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

2021-08-31 17:01Z5 YR AGO

Last updated

2024-08-03 21:26Z2 YR AGO

Reserved

2021-02-24

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-306Missing Authentication for Critical FunctionBase

Data version

5.1

Document digest

1156ab241c97dfed84ea35a3acc37a28ef1d511bf810ef487a6df936b543fe68

• discuss.hashicorp.comhttps://discuss.hashicorp.com/t/hcsec-2021-05-vault-enterprise-s-dr-secondaries-exposed-license-metadata-without-authentication/21427x_refsource_MISC
• security.gentoo.orgGLSA-202207-01https://security.gentoo.org/glsa/202207-01vendor-advisoryx_refsource_GENTOO