How severe is CVE-2023-27902?

CVE-2023-27902 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-2023-27902 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27902?

CVE-2023-27902 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-2023-27902?

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

When was CVE-2023-27902 published?

CVE-2023-27902 was published on 2023-03-10 and last updated on 2026-06-17.

CVE-2023-27902

CVE-2023-27902 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.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Jenkins
Published: 2023-03-10
Last modified: 2026-06-17

Description

Jenkins 2.393 and earlier, LTS 2.375.3 and earlier shows temporary directories related to job workspaces, which allows attackers with Item/Workspace permission to access their contents.

Frequently asked questions

What is CVE-2023-27902?: Jenkins 2.393 and earlier, LTS 2.375.3 and earlier shows temporary directories related to job workspaces, which allows attackers with Item/Workspace permission to access their contents.
How severe is CVE-2023-27902?: CVE-2023-27902 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-2023-27902 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27902?: CVE-2023-27902 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-2023-27902?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27902 published?: CVE-2023-27902 was published on 2023-03-10 and last updated on 2026-06-17.

References

https://www.jenkins.io/security/advisory/2023-03-08/#SECURITY-1807

Affected products (2)

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

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