Nintex Automation up to 5.7 Configuration web.config default permission

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Nintex Automation up to 5.7. It has been rated as critical. This impacts an unknown function of the file web.config of the component Configuration Handler. Performing a manipulation results in default permission. This vulnerability is reported as CVE-2025-27926. The attack requires a local approach. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Nintex Automation up to 5.7. This affects an unknown function of the file web.config of the component Configuration Handler. The manipulation with an unknown input leads to a default permission vulnerability. CWE is classifying the issue as CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. This is going to have an impact on confidentiality. The summary by CVE is:

In Nintex Automation 5.6 and 5.7 before 5.8, the K2 SmartForms Designer folder has configuration files (web.config) containing passwords that are readable by unauthorized users.

It is possible to read the advisory at help.nintex.com. This vulnerability is uniquely identified as CVE-2025-27926 since 03/10/2025. The exploitability is told to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

Upgrading to version 5.8 eliminates this vulnerability. The upgrade is hosted for download at help.nintex.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-7826). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (MITRE): 🔍

CVSSv2info

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

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Automation 5.8

Timelineinfo

03/10/2025 🔍
03/11/2025 +1 days 🔍
03/11/2025 +0 days 🔍
01/29/2026 +324 days 🔍

Sourcesinfo

Advisory: help.nintex.com
Status: Confirmed

CVE: CVE-2025-27926 (🔍)
GCVE (CVE): GCVE-0-2025-27926
GCVE (VulDB): GCVE-100-299187
EUVD: 🔍

Entryinfo

Created: 03/11/2025 06:35
Updated: 01/29/2026 21:34
Changes: 03/11/2025 06:35 (67), 06/08/2025 05:26 (1), 01/29/2026 21:34 (12)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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