Mattermost Confluence Plugin up to 1.4.x API Call authorization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Mattermost Confluence Plugin up to 1.4.x. This impacts an unknown function of the component API Call Handler. Such manipulation leads to authorization. This vulnerability is referenced as CVE-2025-49221. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mattermost Confluence Plugin up to 1.4.x and classified as problematic. Affected by this issue is an unknown functionality of the component API Call Handler. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality. CVE summarizes:

Mattermost Confluence Plugin version <1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to access subscription details without via API call to GET subscription endpoint.

The weakness was published by Lorenzo Gallegos. The advisory is shared for download at mattermost.com. This vulnerability is handled as CVE-2025-49221 since 07/28/2025. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.5.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.7
CNA Vector (Mattermost): 🔒

CVSSv2info

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

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
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: Confluence Plugin 1.5.0

Timelineinfo

07/28/2025 CVE reserved
08/11/2025 +14 days Advisory disclosed
08/11/2025 +0 days VulDB entry created
09/25/2025 +45 days VulDB entry last update

Sourcesinfo

Advisory: mattermost.com
Researcher: Lorenzo Gallegos
Status: Confirmed

CVE: CVE-2025-49221 (🔒)
GCVE (CVE): GCVE-0-2025-49221
GCVE (VulDB): GCVE-100-319460

Entryinfo

Created: 08/11/2025 21:52
Updated: 09/25/2025 07:16
Changes: 08/11/2025 21:52 (65), 09/25/2025 07:16 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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