Northern.tech Mender Client up to 5.0.3 Signature Verification signature verification

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Northern.tech Mender Client up to 5.0.3. It has been classified as problematic. Affected is an unknown function of the component Signature Verification. The manipulation leads to signature verification. This vulnerability is uniquely identified as CVE-2025-67903. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Northern.tech Mender Client up to 5.0.3. It has been rated as problematic. This issue affects an unknown code block of the component Signature Verification. The manipulation with an unknown input leads to a signature verification vulnerability. Using CWE to declare the problem leads to CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. Impacted is integrity. The summary by CVE is:

Northern.tech Mender Client 5 before 5.0.4 allows a Cryptographic signature verification bypass.

The identification of this vulnerability is CVE-2025-67903 since 12/15/2025. The exploitation is known to be difficult. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available.

Upgrading to version 5.0.4 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
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: Signature verification
CWE: CWE-347 / CWE-345
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Mender Client 5.0.4

Timelineinfo

12/15/2025 CVE reserved
05/27/2026 +162 days Advisory disclosed
05/27/2026 +0 days VulDB entry created
05/27/2026 +0 days VulDB entry last update

Sourcesinfo

Status: Confirmed

CVE: CVE-2025-67903 (🔒)
GCVE (CVE): GCVE-0-2025-67903
GCVE (VulDB): GCVE-100-366497

Entryinfo

Created: 05/27/2026 20:27
Changes: 05/27/2026 20:27 (53)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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