Vulnerability in Kubernetes

CVE-2019-11254

The Kubernetes API Server component in versions 1.1-1.14, and versions prior to 1.15.10, 1.16.7 and 1.17.3 allows an authorized user who sends malicious YAML payloads to cause the kube-apiserver to consume excessive CPU cycles while parsing YAML.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.032 (87.8th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-11254: held from 0.031 to 0.032.

EPSS over last 30 days · oldest: 0.031 · newest: 0.032 · change: +0.001

Affected products

  • Kubernetes — versions prior to 1.15.10, prior to 1.16.7, prior to 1.17.3

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-11254?
CVE-2019-11254 is a medium-severity vulnerability in Kubernetes, classified under CWE-1050. CVSS score: 6.5/10. Published 2020-04-01.
How severe is CVE-2019-11254?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2019-11254 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.