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CVE-2024-4985

GitHub Enterprise Server authentication bypass

9.8 CRITICALEPSS 2.57%
  1. Published20 May 2024

Description

An authentication bypass vulnerability was present in the GitHub Enterprise Server (GHES) when utilizing SAML single sign-on authentication with the optional encrypted assertions feature. This vulnerability allowed an attacker to forge a SAML response to provision and/or gain access to a user with site administrator privileges. Exploitation of this vulnerability would allow unauthorized access to the instance without requiring prior authentication. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.13.0 and was fixed in versions 3.9.15, 3.10.12, 3.11.10 and 3.12.4. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

GitHub Enterprise Server≥ 3.10.0 < 3.10.12 · ≥ 3.11.0 < 3.11.10 · ≥ 3.12.0 < 3.12.4 · < 3.9.15

Remediation

Fixed in
GitHub Enterprise Server≥ 3.10.12

References

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Frequently asked

Is CVE-2024-4985 being actively exploited?

CVE-2024-4985 is not in the CISA KEV catalog. Its EPSS exploit probability is 2.57%.

How severe is CVE-2024-4985?

CVE-2024-4985 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 2.57% probability of exploitation.

Which products are affected by CVE-2024-4985?

Affected products include GitHub Enterprise Server.

How do I fix CVE-2024-4985?

Upgrade affected software to a fixed version, for example GitHub Enterprise Server 3.10.12 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-4985 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.