Is CVE-2021-25743 in the CISA KEV catalog?

No. CVE-2021-25743 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-25743?

CVE-2021-25743 has a CVSS v3 base score of 3.0 (LOW).

What is the EPSS score for CVE-2021-25743?

CVE-2021-25743 has an EPSS score of 0.78% (51th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-25743?

Upgrade kubernetes on debian 12 to 1.20.5+really1.20.2-1.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-25743

LOW

3.0

CVSS v3

NVD

Description

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.

CWE-150

How to fix

Remediation Available

kubernetesDebian

Fixed in:1.20.5+really1.20.2-1.1CVE-2021-25743

Fixed in:1.31.4+ds-1CVE-2021-25743

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.78%probability of exploitation in 30 days

51stpercentile

Moderate risk: more likely to be exploited than 51% of all known CVEs.

References

Vendor Advisory1

github.com

Third-Party Advisory1

security.netapp.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-13.