Vulnerability in Kubernetes

CVE-2021-25743

kubectl does not neutralize escape, meta or control sequences contained in the raw data it outputs to a terminal. This includes but is not limited to the unstructured string fields in objects such as Events.

EPSS: 0.008 (52.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.0 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N.

Affected products

  • Kubernetes — versions next of 1.23.1, next of 1.22.5, 1.26.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-25743?
CVE-2021-25743 is a low-severity vulnerability in Kubernetes, classified under CWE-150. CVSS score: 3.0/10. Published 2022-01-07.
How severe is CVE-2021-25743?
Low severity. CVSS v3 base score is 3.0 out of 10.
Is CVE-2021-25743 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.