What’s Vulnerable › Vulnerabilities

CVE-2024-56921

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-02-03 · updated 2026-06-17
• Weakness: CWE-400

Description

An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a specific time can crash AMF due to incorrect error handling of gmm_state_exception() function upon receipt of the Nausf_UEAuthentication_Authenticate response.

Affected products

• Open5GS: 2.7.2

References

• https://github.com/open5gs/open5gs/commit/f780f9af45c27b6f49987d96ba71dedb3dd85840
• https://github.com/open5gs/open5gs/issues/3608

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