CVE-2021-25910

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

0.46% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 38.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-01-29 13:22Z5 YR AGO

Last updated

2024-09-16 16:43Z1 YR AGO

Reserved

2021-01-22

Assigning CNA

INCIBE

Record state

PUBLISHED

Severity

High (CVSS 8.0)

CNA CVSS vector

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

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

4eb624334ddfc5e01eefcdebe47cb4a628db21c5d5dd3823dab722bfb59d47f1

• www.incibe-cert.eshttps://www.incibe-cert.es/en/early-warning/ics-advisories/4cct-vulnerable-improper-authenticationx_refsource_CONFIRM