Information disclosure in Kubernetes
CVE-2019-11250
The Kubernetes client-go library logs request headers at verbosity levels of 7 or higher. This can disclose credentials to unauthorized users via logs or command output. Kubernetes components (such as kube-apiserver) prior to v1.16.0, which make use of basic or bearer token authentication, and run at high verbosity levels, are affected.
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:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.018 (77.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: -0.000
Affected products
- Kubernetes — versions 1.15.3, prior to 1.16, 1.16.0
- Red Hat Openshift Container Platform — versions 3.11, 4.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/kubernetes/kubernetes/issues/81114 (Third Party Advisory)
- security.netapp.com/advisory/ntap-20190919-0003/ (Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:4052 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:4087 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2020/10/16/2 (mailing-list)
Frequently asked questions
- What is CVE-2019-11250?
- CVE-2019-11250 is a medium-severity vulnerability in Kubernetes, classified under Insertion of Sensitive Information into Log File. CVSS score: 6.5/10. Published 2019-08-29.
- How severe is CVE-2019-11250?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-11250 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.