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HIGH

CVE-2021-44081

CVSS v3

7.5

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2022-03-29

Frequently asked questions

What is CVE-2021-44081?

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.

Is CVE-2021-44081 actively exploited?

Active exploitation of CVE-2021-44081 has not been confirmed. Its EPSS score was 1.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-44081?

CVE-2021-44081 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-44081 affecting your environment?

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