CVE-2021-25738

MEDIUMNVD 6.76.7—

6.7

Loading specially-crafted yaml with the Kubernetes Java Client library can lead to code execution.

CVSS v3: 6.7
EG Score: 6.7(medium)
EPSS: 30.0%
KEV: Not listed

Published

October 11, 2021

Last Modified

November 21, 2024

References (6)

jordan@liggitthttp://www.openwall.com/lists/oss-security/2022/08/23/2
jordan@liggitthttps://github.com/kubernetes-client/java/issues/1698
jordan@liggitthttps://groups.google.com/g/kubernetes-security-announce/c/K_pOK2WbAJk
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/08/23/2
af854a3a-2127-422b-91ae-364da2661108https://github.com/kubernetes-client/java/issues/1698
af854a3a-2127-422b-91ae-364da2661108https://groups.google.com/g/kubernetes-security-announce/c/K_pOK2WbAJk

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
io.kubernetes:client-java	0.1 ... 9.0.3 (29 versions)	11.0.1	—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 09:13 UTCEG score recompute
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2021-25738?

CVE-2021-25738 is a medium vulnerability published on October 11, 2021. Loading specially-crafted yaml with the Kubernetes Java Client library can lead to code execution.

When was CVE-2021-25738 disclosed?

CVE-2021-25738 was first published in the National Vulnerability Database on October 11, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-25738 actively exploited?

CVE-2021-25738 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-25738?

CVE-2021-25738 has a CVSS v3 base score of 6.7 (NVD).

How do I remediate CVE-2021-25738?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-25738, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-25738

Explore →

Is Your Infrastructure Affected by CVE-2021-25738?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2021-25738

📅 Published

🔄 Last Modified

🔗 References (6)

Affected Packages

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-25738?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)