What is CVE-2023-47345?

CVE-2023-47345 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-2023-47345?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-47345 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Free5gc

CVE-2023-47345

Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP message with malformed PFCP Heartbeat message whose Recovery Time Stamp IE length is mutated to zero.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (54.5th 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)

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2023-47345?: CVE-2023-47345 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-2023-47345?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-47345 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.