How severe is CVE-2023-32986?

CVE-2023-32986 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-2023-32986 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 63% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-32986?

CVE-2023-32986 affects Jenkins File Parameters. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-32986?

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-2023-32986 published?

CVE-2023-32986 was published on 2023-05-16 and last updated on 2026-06-17.

CVE-2023-32986

CVE-2023-32986 is a high-severity vulnerability in Jenkins File Parameters with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 63% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-732.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 63% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Jenkins File Parameters
Published: 2023-05-16
Last modified: 2026-06-17

Description

Jenkins File Parameter Plugin 285.v757c5b_67a_c25 and earlier does not restrict the name (and resulting uploaded file name) of Stashed File Parameters, allowing attackers with Item/Configure permission to create or replace arbitrary files on the Jenkins controller file system with attacker-specified content.

Frequently asked questions

What is CVE-2023-32986?: Jenkins File Parameter Plugin 285.v757c5b_67a_c25 and earlier does not restrict the name (and resulting uploaded file name) of Stashed File Parameters, allowing attackers with Item/Configure permission to create or replace arbitrary files on the Jenkins controller file system with attacker-specified content.
How severe is CVE-2023-32986?: CVE-2023-32986 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-2023-32986 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 63% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-32986?: CVE-2023-32986 affects Jenkins File Parameters. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-32986?: 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-2023-32986 published?: CVE-2023-32986 was published on 2023-05-16 and last updated on 2026-06-17.

References

https://www.jenkins.io/security/advisory/2023-05-16/#SECURITY-3123

Affected products (1)

cpe:2.3:a:jenkins:file_parameters:*:*:*:*:*:jenkins:*:*

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