nncp up to 8.11.x Packet Data path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in nncp up to 8.11.x. It has been rated as critical. This issue affects some unknown processing of the component Packet Data Handler. The manipulation leads to path traversal. This vulnerability is listed as CVE-2025-60020. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in nncp up to 8.11.x. This issue affects an unknown function of the component Packet Data Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-23. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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

It is possible to read the advisory at nncpgo.org. The identification of this vulnerability is CVE-2025-60020 since 09/24/2025. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 265994 (Debian dsa-6012 : nncp - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 8.12.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (265994). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.4
CNA Vector (MITRE): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-23 / CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 265994
Nessus Name: Debian dsa-6012 : nncp - security update

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: nncp 8.12.0

Timelineinfo

09/24/2025 Advisory disclosed
09/24/2025 +0 days CVE reserved
09/24/2025 +0 days VulDB entry created
09/27/2025 +3 days VulDB entry last update

Sourcesinfo

Advisory: nncpgo.org
Status: Confirmed

CVE: CVE-2025-60020 (🔒)
GCVE (CVE): GCVE-0-2025-60020
GCVE (VulDB): GCVE-100-325703

Entryinfo

Created: 09/24/2025 15:30
Updated: 09/27/2025 15:47
Changes: 09/24/2025 15:30 (62), 09/27/2025 15:47 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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