CVE-2021-25737

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

Ranks above 69.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2021-09-06 11:32Z4 YR AGO

Last updated

2024-09-16 21:04Z1 YR AGO

Reserved

2021-01-21

Assigning CNA

kubernetes

Record state

PUBLISHED

Severity

Low (CVSS 2.7)

CNA CVSS vector

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

Weaknesses

• CWE-184Incomplete List of Disallowed InputsBase
• CWE-601URL Redirection to Untrusted Site ('Open Redirect')Base
• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

200aa5aa374fb421dad47a58c260b2f398d8d0db8cf4542d1e7ee4c3cf5e4e50

• groups.google.comhttps://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thYx_refsource_MISC
• github.comhttps://github.com/kubernetes/kubernetes/issues/102106x_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20211004-0004/x_refsource_CONFIRM