How severe is CVE-2018-1000862?

CVE-2018-1000862 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 low, integrity none, and availability none.

Is CVE-2018-1000862 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-2018-1000862?

CVE-2018-1000862 primarily affects Jenkins. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1000862?

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

When was CVE-2018-1000862 published?

CVE-2018-1000862 was published on 2018-12-10 and last updated on 2026-06-17.

CVE-2018-1000862

CVE-2018-1000862 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Jenkins
Published: 2018-12-10
Last modified: 2026-06-17

Description

An information exposure vulnerability exists in Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in DirectoryBrowserSupport.java that allows attackers with the ability to control build output to browse the file system on agents running builds beyond the duration of the build using the workspace browser.

Frequently asked questions

What is CVE-2018-1000862?: An information exposure vulnerability exists in Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in DirectoryBrowserSupport.java that allows attackers with the ability to control build output to browse the file system on agents running builds beyond the duration of the build using the workspace browser.
How severe is CVE-2018-1000862?: CVE-2018-1000862 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 low, integrity none, and availability none.
Is CVE-2018-1000862 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-2018-1000862?: CVE-2018-1000862 primarily affects Jenkins. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-1000862?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1000862 published?: CVE-2018-1000862 was published on 2018-12-10 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*

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