How severe is CVE-2018-1999031?

CVE-2018-1999031 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-1999031 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1999031?

CVE-2018-1999031 affects Jenkins Meliora Testlab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1999031?

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

When was CVE-2018-1999031 published?

CVE-2018-1999031 was published on 2018-08-01 and last updated on 2026-06-17.

CVE-2018-1999031

CVE-2018-1999031 is a medium-severity vulnerability in Jenkins Meliora Testlab with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Jenkins Meliora Testlab
Published: 2018-08-01
Last modified: 2026-06-17

Description

An exposure of sensitive information vulnerability exists in Jenkins meliora-testlab Plugin 1.14 and earlier in TestlabNotifier.java that allows attackers with file system access to the Jenkins master to obtain the API key stored in this plugin's configuration.

Frequently asked questions

What is CVE-2018-1999031?: An exposure of sensitive information vulnerability exists in Jenkins meliora-testlab Plugin 1.14 and earlier in TestlabNotifier.java that allows attackers with file system access to the Jenkins master to obtain the API key stored in this plugin's configuration.
How severe is CVE-2018-1999031?: CVE-2018-1999031 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-1999031 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1999031?: CVE-2018-1999031 affects Jenkins Meliora Testlab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1999031?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1999031 published?: CVE-2018-1999031 was published on 2018-08-01 and last updated on 2026-06-17.

References

https://jenkins.io/security/advisory/2018-07-30/#SECURITY-847

Affected products (1)

cpe:2.3:a:jenkins:meliora_testlab:*:*:*:*:*:jenkins:*:*

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