Netskope Client up to 128.0.0 NS Client out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Netskope Client up to 128.0.0. Affected by this vulnerability is an unknown functionality of the component NS Client. Such manipulation leads to out-of-bounds. This vulnerability is listed as CVE-2025-5941. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Netskope Client up to 128.0.0. Affected by this issue is an unknown part of the component NS Client. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. CVE summarizes:

Netskope is notified about a potential gap in its agent (NS Client) in which a malicious actor could trigger a memory leak by sending a crafted DNS packet to a machine. A successful exploitation may require administrative privileges on the machine, based on the exact configuration. A successful exploit can potentially result in user-controllable memory being leaked in a domain name stored on the local machine.

The weakness was presented by Thomas Brice as nskpsa-2025-001. The advisory is available at netskope.com. This vulnerability is handled as CVE-2025-5941 since 06/09/2025. The exploitation is known to be difficult. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 2.5
VulDB Meta Temp Score: 2.5

VulDB Base Score: 2.5
VulDB Temp Score: 2.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/09/2025 CVE reserved
08/14/2025 +66 days Advisory disclosed
08/14/2025 +0 days VulDB entry created
08/14/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: nskpsa-2025-001
Researcher: Thomas Brice
Status: Confirmed

CVE: CVE-2025-5941 (🔒)
GCVE (CVE): GCVE-0-2025-5941
GCVE (VulDB): GCVE-100-320078

Entryinfo

Created: 08/14/2025 07:40
Updated: 08/14/2025 15:11
Changes: 08/14/2025 07:40 (67), 08/14/2025 15:11 (1)
Complete: 🔍
Cache ID: 216::103

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