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ExploitedNot in CISA KEV yetFix available

CVE-2019-11248

Exploitation confirmed. First attested on 2023-10-14 by GCVE · kevintel, GCVE · shadowserver.

  • Published2019-08-29
  • Fixed in1.12.10
  • WeaknessCWE-419 · CWE-862

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2019-08-2901:15CVE publishedNVD
  2. 2023-10-1414:56Listed as exploited by GCVEGCVE
  3. 2023-10-1414:56Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-11248?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-11248?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Kubernetes
BranchAffectedFixed in
1.12< 1.12.101.12.10
1.13= 1.13.0no fix published
1.13= 1.13.1no fix published
1.13= 1.13.2no fix published
1.13= 1.13.3no fix published
1.13= 1.13.4no fix published
1.13= 1.13.5no fix published
1.13= 1.13.6no fix published
1.13= 1.13.7no fix published
1.13= 1.13.8no fix published
1.14= 1.14.0no fix published
1.14= 1.14.1no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • kubernetesDebian:14all versions · fixed in 1.17.4-1
  • kubernetesDebian:13all versions · fixed in 1.17.4-1
  • kubernetesDebian:12all versions · fixed in 1.17.4-1

Vendor advisories

  • CVE-2019-11248 Red Hat Product Security8 known affected

    kubernetes: /debug/pprof endpoint exposed on kubelet's healthz port

    openshift-clients as a component of Red Hat OpenShift Container Platform 4 · openshift-clients-redistributable as a component of Red Hat OpenShift Container Platform 4 · openshift-hyperkube as a component of Red Hat OpenShift Container Platform 4 · +5 more

Full record on NVD

Fix

  1. Update Kubernetes to 1.12.10
  2. No fix available, says the vendor Red Hat Product Security CVE-2019-11248 · 8 productsFix deferred

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • GCVEexploitation2023-10-14
  • NVDCVSS 3.18.2read 2026-10-23
  • CNACVSS 3.06.5known since 2026-10-23
  • NVDCVSS 2.06.4read 2026-10-23
  • CNAweakness (CWE)CWE-419known since 2026-10-23
  • NVDweakness (CWE)CWE-862read 2026-10-23
  • FIRST EPSSEPSS score75.1 %read 2026-11-03
  • ProjectDiscoverydetectionread 2026-11-03
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Published
2019-08-29
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-9frv-h2cf-52wh

Frequently asked questions

What is CVE-2019-11248?

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.

Is CVE-2019-11248 actively exploited?

Active exploitation of CVE-2019-11248 has not been confirmed. Its EPSS score was 75.1% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-11248?

CVE-2019-11248 has a CVSS v3 base score of 8.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L.

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