Resource exhaustion in Kubernetes

CVE-2019-1002100

In all Kubernetes versions prior to v1.11.8, v1.12.6, and v1.13.4, users that are authorized to make patch requests to the Kubernetes API Server can send a specially crafted patch of type "json-patch" (e.g. `kubectl patch --type json` or `"Content-Type: application/json-patch+json"`) that consumes excessive resources while processing, causing a Denial of Service on the API Server.

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: 0.105 (95.6th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.6% 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-2019-1002100: held from 0.104 to 0.105.

EPSS over last 30 days · oldest: 0.104 · newest: 0.105 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-1002100?
CVE-2019-1002100 is a medium-severity vulnerability in Kubernetes, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2019-04-01.
How severe is CVE-2019-1002100?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2019-1002100 known to be exploited?
14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.