Buffer overflow in Open5gs

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.

Vulnerability class: Buffer Overflow

EPSS: 0.010 (60.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Open5gs — versions 2.1.4
  • N/a — versions n/a

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-44081?
CVE-2021-44081 is a high-severity vulnerability in Open5gs, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-03-29.
How severe is CVE-2021-44081?
High severity. CVSS v3 base score is 7.5 out of 10.