CVE-2025-60020
nncp before 8.12.0 allows path traversal (for reading or writing) during freqing and file saving...
nncp before 8.12.0 allows path traversal (for reading or writing) during freqing and file saving via a crafted path in packet data.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
nncp before 8.12.0 allows path traversal (for reading or writing) during freqing and file saving via a crafted path in packet data.
- Record
CVE-2025-60020- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-23
- Updated
- 2026-11-02
EUVDEUVD-2025-30967
nncp before 8.12.0 allows path traversal (for reading or writing) during freqing and file saving via a crafted path in packet data.
- Record
EUVD-2025-30967- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5q89-432m-p2wv
nncp before 8.12.0 allows path traversal (for reading or writing) during freqing and file saving...
nncp before 8.12.0 allows path traversal (for reading or writing) during freqing and file saving via a crafted path in packet data.
- Record
GHSA-5q89-432m-p2wv- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-23
- Updated
- 2026-11-02
NVD
nncp before 8.12.0 allows path traversal (for reading or writing) during freqing and file saving via a crafted path in packet data.
- Record
CVE-2025-60020- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-23
- Updated
- 2026-11-02
OSVDEBIAN-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.
- Record
DEBIAN-CVE-2025-60020- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2025-60020- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVUSN-8359-1No score
nncp vulnerability
It was discovered that NNCP did not properly sanitize file paths in packet data during file requesting and file saving operations. A remote attacker could possibly use this issue to read or write arbitrary files outside of the intended directory.
- Record
USN-8359-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
nncpDebian:12 | before 8.8.2-3+deb12u1, plus listed versions 8.8.2-3 | 8.8.2-3+deb12u1 |
nncpDebian:13 | before 8.11.0-4+deb13u1, plus listed versions 8.11.0-4 | 8.11.0-4+deb13u1 |
nncpDebian:14 | before 8.12.1-1, plus listed versions 8.11.0-4 | 8.12.1-1 |
nncpUbuntu:Pro:22.04:LTS | before 8.5.0-1ubuntu0.1+esm3, plus listed versions 7.7.0-48.0.0-18.0.2-18.5.0-18.5.0-1ubuntu0.18.5.0-1ubuntu0.1+esm18.5.0-1ubuntu0.1+esm2 | 8.5.0-1ubuntu0.1+esm3 |
nncpUbuntu:Pro:24.04:LTS | before 8.10.0-8ubuntu0.3+esm3, plus listed versions 8.8.2-4build18.9.0-18.10.0-38.10.0-48.10.0-5 Show 9 moreShow less8.10.0-68.10.0-78.10.0-88.10.0-8ubuntu0.18.10.0-8ubuntu0.28.10.0-8ubuntu0.2+esm18.10.0-8ubuntu0.38.10.0-8ubuntu0.3+esm18.10.0-8ubuntu0.3+esm2 | 8.10.0-8ubuntu0.3+esm3 |
nncpUbuntu:25.10 | before 8.11.0-4+deb13u1build0.25.10.1, plus listed versions 8.11.0-38.11.0-4 | 8.11.0-4+deb13u1build0.25.10.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-60020 is a medium vulnerability (CVSS 6.4) in Nncp, published September 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. Fixed in nncp 8.8.2-3+deb12u1.
References
nncpgo.org/Release-8_005f12_005f0.html
lists.cypherpunks.su/archive/nncp-devel/CAO-d-4riai9EZx4gVfekow-BCtTn07k8BB1ZdsopPVw=scWD1A@mail.gmail.com/T
nvd.nist.gov/vuln/detail/CVE-2025-60020
github.com/advisories/GHSA-5q89-432m-p2wv
security-tracker.debian.org/tracker/CVE-2025-60020
ubuntu.com/security/CVE-2025-60020
cve.org/CVERecord?id=CVE-2025-60020