CVE-2019-11248
HighExploitedThe debugging endpoint /debug/pprof is exposed over the unauthenticated Kubelet healthz port.
Published Aug 29, 2019 · Updated Aug 7, 2026 · Also known as DEBIAN-CVE-2019-11248, UBUNTU-CVE-2019-11248
Key Facts
Patch immediately- CVE-2019-11248 is a high-severity vulnerability (CVSS 8.2 v3.1) affecting Kubernetes.
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 14, 2023. No public exploit code is known.
- EPSS estimates a 75% probability of exploitation in the next 30 days.
- Fixed versions are available, including Kubernetes 1.12.10-1.ph1, Kubernetes 1.12.10-1.ph3, Kubernetes 1.13.10-1.ph2.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
EPSS (30-day exploit likelihood)
75%
Higher than 99.5% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
None known
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Description
The debugging endpoint /debug/pprof is exposed over the unauthenticated Kubelet healthz port. The go pprof endpoint is exposed over the Kubelet's healthz port. This debugging endpoint can potentially leak sensitive information such as internal Kubelet memory addresses and configuration, or for limited denial of service. Versions prior to 1.15.0, 1.14.4, 1.13.8, and 1.12.10 are affected. The issue is of medium severity, but not exposed by the default configuration.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Nov 27, 2023 | n/a | Not reported |
| CIRCL KEV | Oct 14, 2023 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
65 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| KubernetesKubernetes | 1.13.0, 1.13.0-alpha0, 1.13.0-alpha1, 1.13.0-alpha2, 1.13.0-alpha3, 1.13.0-beta0, 1.13.0-beta1, 1.13.0-beta2 | 1.12.10 |
Patched Releases
Kubernetes
1.12.10-1.ph1, 1.12.10-1.ph3, 1.13.10-1.ph2, 1.17.4-1, 1.12.10
Timeline
Publicly disclosed
Aug 29, 2019
Added to CIRCL KEV
Oct 14, 2023
Added to Industry KEV feed
Nov 27, 2023
Last updated
Aug 7, 2026
Weakness Type
- CWE-284 Improper Access Control
- CWE-419 Unprotected Primary Channel
- CWE-862 Missing Authorization
References
- advisoryCVE-2019-11248: /debug/pprof exposed on kubelet's healthz port
- advisoryhttps://groups.google.com/forum/#!topic/kubernetes-security-announce/pKELclHIov8
- advisoryhttps://security.netapp.com/advisory/ntap-20190919-0003/
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2019-11248
- advisoryhttps://ubuntu.com/security/CVE-2019-11248
FAQ
Common Questions.
The debugging endpoint /debug/pprof is exposed over the unauthenticated Kubelet healthz port.
Affected: Kubernetes versions 1.13.0, 1.13.0-alpha0, 1.13.0-alpha1, 1.13.0-alpha2, 1.13.0-alpha3, 1.13.0-beta0, 1.13.0-beta1, 1.13.0-beta2. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 14, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Kubernetes 1.12.10-1.ph1, Kubernetes 1.12.10-1.ph3, Kubernetes 1.13.10-1.ph2.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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