Buffer overflow in Free5gc

CVE-2023-47347

Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP messages whose Sequence Number is mutated to overflow bytes.

Vulnerability class: Buffer Overflow

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.007 (52.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-47347: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-47347?
CVE-2023-47347 is a high-severity vulnerability in Free5gc, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-11-15.
How severe is CVE-2023-47347?
High severity. CVSS v3 base score is 7.5 out of 10.