How severe is CVE-2020-2228?

CVE-2020-2228 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-2020-2228 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-2228?

CVE-2020-2228 affects Jenkins Gitlab Authentication. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-2228?

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-2020-2228 published?

CVE-2020-2228 was published on 2020-07-15 and last updated on 2026-06-17.

CVE-2020-2228

CVE-2020-2228 is a high-severity vulnerability in Jenkins Gitlab Authentication with a CVSS 3.x base score of 8.8. 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-863.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Jenkins Gitlab Authentication
Published: 2020-07-15
Last modified: 2026-06-17

Description

Jenkins Gitlab Authentication Plugin 1.5 and earlier does not perform group authorization checks properly, resulting in a privilege escalation vulnerability.

Frequently asked questions

What is CVE-2020-2228?: Jenkins Gitlab Authentication Plugin 1.5 and earlier does not perform group authorization checks properly, resulting in a privilege escalation vulnerability.
How severe is CVE-2020-2228?: CVE-2020-2228 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-2020-2228 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-2228?: CVE-2020-2228 affects Jenkins Gitlab Authentication. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-2228?: 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-2020-2228 published?: CVE-2020-2228 was published on 2020-07-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:gitlab_authentication:*:*:*:*:*:jenkins:*:*

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