How severe is CVE-2023-1204?

CVE-2023-1204 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 none, integrity low, and availability none.

Is CVE-2023-1204 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1204?

CVE-2023-1204 affects Gitlab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1204?

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

When was CVE-2023-1204 published?

CVE-2023-1204 was published on 2023-05-03 and last updated on 2026-06-17.

CVE-2023-1204

CVE-2023-1204 is a medium-severity vulnerability in Gitlab 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. The underlying weakness is classified as CWE-347.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Gitlab
Published: 2023-05-03
Last modified: 2026-06-17

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.1 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A user could use an unverified email as a public email and commit email by sending a specifically crafted request on user update settings.

Frequently asked questions

What is CVE-2023-1204?: An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.1 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A user could use an unverified email as a public email and commit email by sending a specifically crafted request on user update settings.
How severe is CVE-2023-1204?: CVE-2023-1204 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 none, integrity low, and availability none.
Is CVE-2023-1204 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1204?: CVE-2023-1204 affects Gitlab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1204?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-1204 published?: CVE-2023-1204 was published on 2023-05-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

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