CVE-2022-43677
MEDIUMCVSS 5.5/10EPSS 0.72%
Last modified
CVE-2022-43677 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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 estimates a 0.72% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Free5gc | Free5gc | 3.2.1 |
References
- https://github.com/free5gc/free5gc/issues/402Exploit, Issue Tracking, Third Party Advisory
- https://github.com/free5gc/free5gc/issues/402Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2022-43677?
CVE-2022-43677 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.
How do I fix CVE-2022-43677?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2022-43677?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST