Vulnerability in Free5gc

CVE-2022-43677

In free5GC 3.2.1, a malformed NGAP message can crash the AMF and NGAP decoders via an index-out-of-range panic in aper.GetBitString.

EPSS: 0.007 (50.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

  • Free5gc — versions 3.2.1
  • N/a — versions n/a

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-43677?
CVE-2022-43677 is a medium-severity vulnerability in Free5gc. CVSS score: 5.5/10. Published 2022-10-24.
How severe is CVE-2022-43677?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2022-43677 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.