How severe is CVE-2023-6690?

CVE-2023-6690 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-6690 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6690?

CVE-2023-6690 primarily affects Github Enterprise Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-6690?

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

When was CVE-2023-6690 published?

CVE-2023-6690 was published on 2023-12-21 and last updated on 2026-06-17.

CVE-2023-6690

CVE-2023-6690 is a low-severity vulnerability in Github Enterprise Server with a CVSS 3.x base score of 3.9. 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-367.

Key facts

Severity: Low (CVSS 3.x base score 3.9)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-367
Affected product: Github Enterprise Server
Published: 2023-12-21
Last modified: 2026-06-17

Description

A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on transferred repositories by making a GraphQL mutation to alter repository permissions during the transfer. This vulnerability affected GitHub Enterprise Server version 3.8.0 and above and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1.

Frequently asked questions

What is CVE-2023-6690?: A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on transferred repositories by making a GraphQL mutation to alter repository permissions during the transfer. This vulnerability affected GitHub Enterprise Server version 3.8.0 and above and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1.
How severe is CVE-2023-6690?: CVE-2023-6690 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-6690 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6690?: CVE-2023-6690 primarily affects Github Enterprise Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-6690?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-6690 published?: CVE-2023-6690 was published on 2023-12-21 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*
cpe:2.3:a:github:enterprise_server:3.11.0:*:*:*:*:*:*:*

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