What is CVE-2025-65561?

CVE-2025-65561 is a high-severity vulnerability in Free5gc, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2025-12-18.

How severe is CVE-2025-65561?

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

Improper input validation in Free5gc

CVE-2025-65561

An issue was discovered in function LocalNode.Sess in free5GC 4.1.0 allowing attackers to cause a denial of service or other unspecified impacts via crafted header Local SEID to the PFCP Session Modification Request.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.004 (31.0th 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 4.1.0
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)
cve@mitre.org (Issue Tracking)

Frequently asked questions

What is CVE-2025-65561?: CVE-2025-65561 is a high-severity vulnerability in Free5gc, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2025-12-18.
How severe is CVE-2025-65561?: High severity. CVSS v3 base score is 7.5 out of 10.