Path Traversal in Nncp

CVE-2025-60020

nncp before 8.12.0 allows path traversal (for reading or writing) during freqing and file saving via a crafted path in packet data.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (16.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.5% 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-2025-60020: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-60020?
CVE-2025-60020 is a medium-severity vulnerability in Nncp, classified under Relative Path Traversal. CVSS score: 6.4/10. Published 2025-09-24.
How severe is CVE-2025-60020?
Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2025-60020 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.