How severe is CVE-2024-2440?

CVE-2024-2440 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.

Is CVE-2024-2440 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-2440?

CVE-2024-2440 affects Github Enterprise Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-2440?

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

Does CVE-2024-2440 have an EU (EUVD) identifier?

Yes. CVE-2024-2440 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-27390.

When was CVE-2024-2440 published?

CVE-2024-2440 was published on 2024-04-19 and last updated on 2026-06-17.

CVE-2024-2440

CVE-2024-2440 is a medium-severity vulnerability in Github Enterprise Server with a CVSS 3.x base score of 5.5. 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-367.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-27390
Weakness: CWE-367
Affected product: Github Enterprise Server
Published: 2024-04-19
Last modified: 2026-06-17

Description

A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on a detached repository by making a GraphQL mutation to alter repository permissions while the repository is detached. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.13 and was fixed in versions 3.9.13, 3.10.10, 3.11.8 and 3.12.1. This vulnerability was reported via the GitHub Bug Bounty program.

Frequently asked questions

What is CVE-2024-2440?: A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on a detached repository by making a GraphQL mutation to alter repository permissions while the repository is detached. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.13 and was fixed in versions 3.9.13, 3.10.10, 3.11.8 and 3.12.1. This vulnerability was reported via the GitHub Bug Bounty program.
How severe is CVE-2024-2440?: CVE-2024-2440 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.
Is CVE-2024-2440 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-2440?: CVE-2024-2440 affects Github Enterprise Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-2440?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-2440 have an EU (EUVD) identifier?: Yes. CVE-2024-2440 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-27390.
When was CVE-2024-2440 published?: CVE-2024-2440 was published on 2024-04-19 and last updated on 2026-06-17.

References

Affected products (1)

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

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