CVE-2021-25676

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

1.33% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 70.7% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/I:N/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

2021-03-15 17:03Z5 YR AGO

Last updated

2024-08-03 20:11Z2 YR AGO

Reserved

2021-01-21

Assigning CNA

siemens

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-307Improper Restriction of Excessive Authentication AttemptsBase

Data version

5.1

Document digest

7af05747c84759cd73ee0fd0d1b2daeb0391c130104745ea2090b513c5fd7345

• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-296266.pdfx_refsource_MISC
• us-cert.cisa.govhttps://us-cert.cisa.gov/ics/advisories/icsa-21-068-02x_refsource_CONFIRM