How severe is CVE-2018-1999040?

CVE-2018-1999040 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1999040 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1999040?

CVE-2018-1999040 affects Jenkins Kubernetes. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1999040?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-1999040 published?

CVE-2018-1999040 was published on 2018-08-01 and last updated on 2026-06-17.

CVE-2018-1999040

CVE-2018-1999040 is a high-severity vulnerability in Jenkins Kubernetes with a CVSS 3.x base score of 8.8. 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-200.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 4.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Jenkins Kubernetes
Published: 2018-08-01
Last modified: 2026-06-17

Description

An exposure of sensitive information vulnerability exists in Jenkins Kubernetes Plugin 1.10.1 and earlier in KubernetesCloud.java that allows attackers to capture credentials with a known credentials ID stored in Jenkins.

Frequently asked questions

What is CVE-2018-1999040?: An exposure of sensitive information vulnerability exists in Jenkins Kubernetes Plugin 1.10.1 and earlier in KubernetesCloud.java that allows attackers to capture credentials with a known credentials ID stored in Jenkins.
How severe is CVE-2018-1999040?: CVE-2018-1999040 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1999040 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1999040?: CVE-2018-1999040 affects Jenkins Kubernetes. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1999040?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-1999040 published?: CVE-2018-1999040 was published on 2018-08-01 and last updated on 2026-06-17.

References

https://jenkins.io/security/advisory/2018-07-30/#SECURITY-1016

Affected products (1)

cpe:2.3:a:jenkins:kubernetes:*:*:*:*:*:jenkins:*:*

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