What’s Vulnerable › Vulnerabilities

CVE-2021-44108

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-04-05 · updated 2026-06-17
• Weakness: CWE-476

Description

A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.

Affected products

• Open5GS: through 2.3.6

References

• https://github.com/open5gs/open5gs/commit/d919b2744cd05abae043490f0a3dd1946c1ccb8c
• https://github.com/open5gs/open5gs/issues/1247
• https://github.com/open5gs/open5gs/commit/d919b2744cd05abae043490f0a3dd1946c1ccb8c
• https://github.com/open5gs/open5gs/issues/1247

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