Znuny up to 7.1.3 SMIME Email log file

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Znuny up to 7.1.3. This vulnerability affects unknown code of the component SMIME Email Handler. Such manipulation leads to log file. This vulnerability is documented as CVE-2025-26842. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Znuny up to 7.1.3. Affected by this issue is an unknown functionality of the component SMIME Email Handler. The manipulation with an unknown input leads to a log file vulnerability. Using CWE to declare the problem leads to CWE-532. Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information. Impacted is confidentiality. CVE summarizes:

An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content of S/MIME encrypted e-mail messages is visible to users with access to the CommunicationLog.

The advisory is shared for download at znuny.org. This vulnerability is handled as CVE-2025-26842 since 02/15/2025. The exploitation is known to be easy. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
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: Log file
CWE: CWE-532 / CWE-200 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

02/15/2025 🔍
05/08/2025 +81 days 🔍
05/08/2025 +0 days 🔍
06/13/2025 +35 days 🔍

Sourcesinfo

Advisory: znuny.org
Status: Confirmed

CVE: CVE-2025-26842 (🔍)
GCVE (CVE): GCVE-0-2025-26842
GCVE (VulDB): GCVE-100-308036

Entryinfo

Created: 05/08/2025 18:13
Updated: 06/13/2025 00:47
Changes: 05/08/2025 18:13 (52), 06/13/2025 00:47 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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