Deserialization in Kubernetes Java
CVE-2021-25738
Loading specially-crafted yaml with the Kubernetes Java Client library can lead to code execution.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (38.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Kubernetes Java
- Kubernetes Java Client — versions v12.0.0, unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- groups.google.com/g/kubernetes-security-announce/c/K_pOK2WbAJk (Mailing List, Third Party Advisory)
- github.com/kubernetes-client/java/issues/1698 (Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2022/08/23/2 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-25738?
- CVE-2021-25738 is a medium-severity vulnerability in Kubernetes Java, classified under Improper Input Validation. CVSS score: 6.7/10. Published 2021-10-11.
- How severe is CVE-2021-25738?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2021-25738 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.