How severe is CVE-2018-1999003?

CVE-2018-1999003 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2018-1999003 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1999003?

CVE-2018-1999003 primarily affects Jenkins. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1999003?

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

When was CVE-2018-1999003 published?

CVE-2018-1999003 was published on 2018-07-23 and last updated on 2026-06-17.

CVE-2018-1999003

CVE-2018-1999003 is a medium-severity vulnerability in Jenkins with a CVSS 3.x base score of 4.3. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Jenkins
Published: 2018-07-23
Last modified: 2026-06-17

Description

A Improper authorization vulnerability exists in Jenkins 2.132 and earlier, 2.121.1 and earlier in Queue.java that allows attackers with Overall/Read permission to cancel queued builds.

Frequently asked questions

What is CVE-2018-1999003?: A Improper authorization vulnerability exists in Jenkins 2.132 and earlier, 2.121.1 and earlier in Queue.java that allows attackers with Overall/Read permission to cancel queued builds.
How severe is CVE-2018-1999003?: CVE-2018-1999003 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2018-1999003 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1999003?: CVE-2018-1999003 primarily affects Jenkins. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-1999003?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1999003 published?: CVE-2018-1999003 was published on 2018-07-23 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:jenkins:jenkins:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_automated_test_suite:1.9.0:*:*:*:*:*:*:*

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