How severe is CVE-2024-3646?

CVE-2024-3646 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-3646 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-3646?

CVE-2024-3646 affects Github Enterprise Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-3646?

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.

Does CVE-2024-3646 have an EU (EUVD) identifier?

Yes. CVE-2024-3646 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-32225.

When was CVE-2024-3646 published?

CVE-2024-3646 was published on 2024-04-19 and last updated on 2026-06-17.

CVE-2024-3646

CVE-2024-3646 is a high-severity vulnerability in Github Enterprise Server with a CVSS 3.x base score of 8.0. 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-20.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-32225
Weakness: CWE-20
Affected product: Github Enterprise Server
Published: 2024-04-19
Last modified: 2026-06-17

Description

A command injection vulnerability was identified in GitHub Enterprise Server that allowed an attacker with an editor role in the Management Console to gain admin SSH access to the instance when configuring the chat integration. Exploitation of this vulnerability required access to the GitHub Enterprise Server instance and access to the Management Console with the editor role. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.12 and was fixed in versions 3.12.2, 3.11.8, 3.10.10, and 3.9.13. This vulnerability was reported via the GitHub Bug Bounty program.

Frequently asked questions

What is CVE-2024-3646?: A command injection vulnerability was identified in GitHub Enterprise Server that allowed an attacker with an editor role in the Management Console to gain admin SSH access to the instance when configuring the chat integration. Exploitation of this vulnerability required access to the GitHub Enterprise Server instance and access to the Management Console with the editor role. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.12 and was fixed in versions 3.12.2, 3.11.8, 3.10.10, and 3.9.13. This vulnerability was reported via the GitHub Bug Bounty program.
How severe is CVE-2024-3646?: CVE-2024-3646 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-3646 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-3646?: CVE-2024-3646 affects Github Enterprise Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-3646?: 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.
Does CVE-2024-3646 have an EU (EUVD) identifier?: Yes. CVE-2024-3646 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-32225.
When was CVE-2024-3646 published?: CVE-2024-3646 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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