CVE-2021-25738
Code exec via yaml parsing
Loading specially-crafted yaml with the Kubernetes Java Client library can lead to code execution.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Code exec via yaml parsing
Loading specially-crafted yaml with the Kubernetes Java Client library can lead to code execution.
- Record
CVE-2021-25738- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2021-2229
Loading specially-crafted yaml with the Kubernetes Java Client library can lead to code execution.
- Record
EUVD-2021-2229- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m8wh-mqgf-rr8g
Code injection in Kubernetes Java Client
Loading specially-crafted yaml with the Kubernetes Java Client library can lead to code execution.
- Record
GHSA-m8wh-mqgf-rr8g- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20, CWE-502
- Updated
- 2026-11-02
NVD
Loading specially-crafted yaml with the Kubernetes Java Client library can lead to code execution.
- Record
CVE-2021-25738- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20, CWE-502
- Updated
- 2026-11-02
OSV
Loading specially-crafted yaml with the Kubernetes Java Client library can lead to code execution.
- Record
CVE-2021-25738- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-m8wh-mqgf-rr8g
Code injection in Kubernetes Java Client
Loading specially-crafted yaml with the Kubernetes Java Client library can lead to code execution.
- Record
GHSA-m8wh-mqgf-rr8g- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20, CWE-502
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
io.kubernetes:client-javaMaven |
before 11.0.1 | 11.0.1 |
io.kubernetes:client-javaMaven |
before 11.0.1, plus listed versions 0.10.21.0.01.0.0-beta11.0.0-beta2 Show 24 moreShow less1.0.0-beta31.0.0-beta410.0.010.0.110.0.211.0.02.0.02.0.0-beta12.0.0-beta23.0.03.0.0-beta13.0.0-beta24.0.04.0.0-beta15.0.06.0.17.0.08.0.08.0.0-alpha18.0.29.0.09.0.19.0.29.0.3 |
11.0.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-25738 is a medium vulnerability (CVSS 6.7) in Kubernetes Java, published October 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 41st percentile. Fixed in io.kubernetes:client-java 11.0.1.