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CVE-2018-1002104
Versions < 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly.
Medium5.3EPSS 1.1%
- Published
- Updated
- Reserved
- Assigned by
- kubernetes
Description
Versions < 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| kubernetesCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.1% · top 33% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
Kubernetes · k8s.gcr.io/defaultbackend
- affected defaultbackend – < 1.5
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gok8s.io/ingress-nginxGHSA-p3x5-5xpx-9phm (opens in a new tab)
What to do
Workaround: Mask the /metrics endpoint with an Ingress rule so that metrics aren't exposed publicly. See https://github.com/kubernetes/ingress-nginx/issues/1733#issuecomment-358492359
References (1)
- https://github.com/kubernetes/ingress-nginx/pull/3125 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-p3x5-5xpx-9phm (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-1002104)Record last updated .