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.

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

EPSS: 0.007 (50.9th 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

Free5gc — versions 3.3.0
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Exploit, Issue Tracking)

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.