What’s Vulnerable › Vulnerabilities

CVE-2021-44081

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-29 · updated 2026-06-17
• Weakness: CWE-787

Description

A buffer overflow vulnerability exists in the AMF of open5gs 2.1.4. When the length of MSIN in Supi exceeds 24 characters, it leads to AMF denial of service.

Affected products

• Open5GS: 2.1.4

References

• https://github.com/open5gs/open5gs/issues/1206
• https://github.com/open5gs/open5gs/issues/1206

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