How severe is CVE-2020-2096?

CVE-2020-2096 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-2096 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 89% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-2096?

CVE-2020-2096 affects Jenkins Gitlab Hook. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-2096?

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

When was CVE-2020-2096 published?

CVE-2020-2096 was published on 2020-01-15 and last updated on 2026-06-17.

CVE-2020-2096

CVE-2020-2096 is a medium-severity vulnerability in Jenkins Gitlab Hook with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 89% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 89% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jenkins Gitlab Hook
Published: 2020-01-15
Last modified: 2026-06-17

Description

Jenkins Gitlab Hook Plugin 1.4.2 and earlier does not escape project names in the build_now endpoint, resulting in a reflected XSS vulnerability.

Frequently asked questions

What is CVE-2020-2096?: Jenkins Gitlab Hook Plugin 1.4.2 and earlier does not escape project names in the build_now endpoint, resulting in a reflected XSS vulnerability.
How severe is CVE-2020-2096?: CVE-2020-2096 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-2096 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 89% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-2096?: CVE-2020-2096 affects Jenkins Gitlab Hook. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-2096?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-2096 published?: CVE-2020-2096 was published on 2020-01-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:gitlab_hook:*:*:*:*:*:jenkins:*:*

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