How severe is CVE-2019-10371?

CVE-2019-10371 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-10371 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-10371?

CVE-2019-10371 affects Jenkins Gitlab Oauth. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-10371?

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-2019-10371 published?

CVE-2019-10371 was published on 2019-08-07 and last updated on 2026-06-17.

CVE-2019-10371

CVE-2019-10371 is a high-severity vulnerability in Jenkins Gitlab Oauth with a CVSS 3.x base score of 7.5. 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-384.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Jenkins Gitlab Oauth
Published: 2019-08-07
Last modified: 2026-06-17

Description

A session fixation vulnerability in Jenkins Gitlab Authentication Plugin 1.4 and earlier in GitLabSecurityRealm.java allows unauthorized attackers to impersonate another user if they can control the pre-authentication session.

Frequently asked questions

What is CVE-2019-10371?: A session fixation vulnerability in Jenkins Gitlab Authentication Plugin 1.4 and earlier in GitLabSecurityRealm.java allows unauthorized attackers to impersonate another user if they can control the pre-authentication session.
How severe is CVE-2019-10371?: CVE-2019-10371 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-10371 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-10371?: CVE-2019-10371 affects Jenkins Gitlab Oauth. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-10371?: 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-2019-10371 published?: CVE-2019-10371 was published on 2019-08-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:gitlab_oauth:*:*:*:*:*:jenkins:*:*

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