How severe is CVE-2018-1002104?

CVE-2018-1002104 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-1002104 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1002104?

CVE-2018-1002104 affects Kubernetes Nginx Ingress Controller. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1002104?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-1002104 published?

CVE-2018-1002104 was published on 2020-01-14 and last updated on 2026-06-17.

CVE-2018-1002104

Q: What is CVE-2018-1002104?

Versions < 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly.

CVE-2018-1002104 is a medium-severity vulnerability in Kubernetes Nginx Ingress Controller with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Kubernetes Nginx Ingress Controller
Published: 2020-01-14
Last modified: 2026-06-17

Description

Versions < 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly.

Frequently asked questions

What is CVE-2018-1002104?: Versions < 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly.
How severe is CVE-2018-1002104?: CVE-2018-1002104 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-1002104 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1002104?: CVE-2018-1002104 affects Kubernetes Nginx Ingress Controller. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1002104?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1002104 published?: CVE-2018-1002104 was published on 2020-01-14 and last updated on 2026-06-17.

References

https://github.com/kubernetes/ingress-nginx/pull/3125

Affected products (1)

cpe:2.3:a:kubernetes:nginx_ingress_controller:*:*:*:*:*:*:*:*

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