CVE-2021-45890

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

1.75% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 75.8% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/A:H

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2021-12-27 19:34Z4 YR AGO

Last updated

2024-08-04 04:54Z2 YR AGO

Reserved

2021-12-27

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

598b8b87964722a176881af16dd580b0e88f0f49cfce266f6f57e80cbbf2e555

• github.comhttps://github.com/AuthGuard/AuthGuard/commit/9783b1143da6576028de23e15a1f198b1f937b82x_refsource_MISC
• github.comhttps://github.com/AuthGuard/AuthGuard/compare/v0.8.0...v0.9.0x_refsource_MISC
• github.comhttps://github.com/AuthGuard/AuthGuard/issues/166x_refsource_MISC
• github.comhttps://github.com/AuthGuard/AuthGuard/pull/181x_refsource_MISC