How severe is CVE-2018-1000997?

CVE-2018-1000997 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-2018-1000997 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000997?

CVE-2018-1000997 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-2018-1000997?

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

When was CVE-2018-1000997 published?

CVE-2018-1000997 was published on 2019-01-23 and last updated on 2026-06-17.

CVE-2018-1000997

CVE-2018-1000997 is a medium-severity vulnerability in Jenkins 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Jenkins
Published: 2019-01-23
Last modified: 2026-06-17

Description

A path traversal vulnerability exists in the Stapler web framework used by Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/org/kohsuke/stapler/Facet.java, groovy/src/main/java/org/kohsuke/stapler/jelly/groovy/GroovyFacet.java, jelly/src/main/java/org/kohsuke/stapler/jelly/JellyFacet.java, jruby/src/main/java/org/kohsuke/stapler/jelly/jruby/JRubyFacet.java, jsp/src/main/java/org/kohsuke/stapler/jsp/JSPFacet.java that allows attackers to render routable objects using any view in Jenkins, exposing internal information about those objects not intended to be viewed, such as their toString() representation.

Frequently asked questions

What is CVE-2018-1000997?: A path traversal vulnerability exists in the Stapler web framework used by Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/org/kohsuke/stapler/Facet.java, groovy/src/main/java/org/kohsuke/stapler/jelly/groovy/GroovyFacet.java, jelly/src/main/java/org/kohsuke/stapler/jelly/JellyFacet.java, jruby/src/main/java/org/kohsuke/stapler/jelly/jruby/JRubyFacet.java, jsp/src/main/java/org/kohsuke/stapler/jsp/JSPFacet.java that allows attackers to render routable objects using any view in Jenkins, exposing internal information about those objects not intended to be viewed, such as their toString() representation.
How severe is CVE-2018-1000997?: CVE-2018-1000997 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-2018-1000997 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000997?: CVE-2018-1000997 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-2018-1000997?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1000997 published?: CVE-2018-1000997 was published on 2019-01-23 and last updated on 2026-06-17.

References

https://jenkins.io/security/advisory/2018-10-10/#SECURITY-867

Affected products (2)

cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*

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