VDB-292142 · CVE-2025-20072 · GCVE-0-2025-20072

Mattermost Mobile up to 2.22.0 Style post.props.attachments type conversion

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Mattermost Mobile up to 2.22.0 and classified as problematic. This issue affects some unknown processing of the component Style Handler. Such manipulation of the argument post.props.attachments leads to type conversion. This vulnerability is uniquely identified as CVE-2025-20072. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Mattermost Mobile up to 2.22.0. Affected by this issue is an unknown code of the component Style Handler. The manipulation of the argument post.props.attachments with an unknown input leads to a type conversion vulnerability. Using CWE to declare the problem leads to CWE-704. The product does not correctly convert an object, resource, or structure from one type to a different type. Impacted is availability. CVE summarizes:

Mattermost Mobile versions <= 2.22.0 fail to properly validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the mobile via crafted malicious input.

The weakness was disclosed by C0rydoras. The advisory is available at mattermost.com. This vulnerability is handled as CVE-2025-20072 since 01/15/2025. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit.

Upgrading to version 2.23.0 eliminates this vulnerability.

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Productinfo

Type

Groupware Software

Vendor

Mattermost

Name

Mobile

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Mattermost): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Type conversion
CWE: CWE-704
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mobile 2.23.0

Timelineinfo

01/15/2025 🔍
01/16/2025 +1 days 🔍
01/16/2025 +0 days 🔍
09/24/2025 +251 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: C0rydoras
Status: Confirmed

CVE: CVE-2025-20072 (🔍)
GCVE (CVE): GCVE-0-2025-20072
GCVE (VulDB): GCVE-100-292142

Entryinfo

Created: 01/16/2025 19:28
Updated: 09/24/2025 18:56
Changes: 01/16/2025 19:28 (66), 09/24/2025 18:56 (12)
Complete: 🔍
Cache ID: 216::103