CVE-2019-11248CWE-419

Kubernetes kubelet exposes /debug/pprof info on healthz port

Medium · published August 29, 2019

Patch now

High probability of exploitation

CVSS calls it medium at 6.5. It sits in the 99.5th percentile for exploit probability.

CVSS v3.0
6.5
EPSS
75%
Percentile
99.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
6.5 · MEDIUM
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.75060 · 99.5th percentile
Weakness
CWE-419 · Unprotected Primary Channel
Published
2019-08-29T00:26Z
EPSS history
Timeline
  • 29 AUG 00:26Z
    Kubernetes kubelet exposes /debug/pprof info on healthz port
    cvelistv5