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
5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability
0.72%

49.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
Free5gcFree5gc3.2.1

References

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.

Are you affected by CVE-2022-43677?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST