Mattermost up to 10.1.2 Post improper validation of specified type of input

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Mattermost up to 2.22.0/9.5.12/9.11.4/10.0.2/10.1.2. Affected by this issue is some unknown functionality of the component Post Handler. Executing a manipulation can lead to improper validation of specified type of input. This vulnerability is registered as CVE-2024-54083. 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 up to 2.22.0/9.5.12/9.11.4/10.0.2/10.1.2. It has been declared as problematic. This vulnerability affects an unknown functionality of the component Post Handler. The manipulation with an unknown input leads to a improper validation of specified type of input vulnerability. The CWE definition for the vulnerability is CWE-1287. The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actually of the expected type. As an impact it is known to affect availability. CVE summarizes:

Mattermost versions 10.1.x <= 10.1.2, 10.0.x <= 10.0.2, 9.11.x <= 9.11.4, 9.5.x <= 9.5.12 fail to properly validate the type of callProps which allows a user to cause a client side (webapp and mobile) DoS to users of particular channels, by sending a specially crafted post.

The weakness was published by C0rydoras. The advisory is shared for download at mattermost.com. This vulnerability was named CVE-2024-54083 since 12/11/2024. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 213276 (Mattermost Server 9.5.x < 9.5.13, 9.11.x < 9.11.5, 10.0.x < 10.0.3, 10.1.x < 10.1.3, 10.2.0 (MMSA-2024-00388, MMSA-2024-00392)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.22.0, 9.5.13, 9.11.5, 10.0.3, 10.1.3 or 10.2.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (213276). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

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

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper validation of specified type of input
CWE: CWE-1287 / CWE-20
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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Nessus ID: 213276
Nessus Name: Mattermost Server 9.5.x < 9.5.13, 9.11.x < 9.11.5, 10.0.x < 10.0.3, 10.1.x < 10.1.3, 10.2.0 (MMSA-2024-00388, MMSA-2024-00392)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mattermost 2.22.0/9.5.13/9.11.5/10.0.3/10.1.3/10.2.0

Timelineinfo

12/11/2024 🔍
12/16/2024 +5 days 🔍
12/16/2024 +0 days 🔍
09/30/2025 +288 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: C0rydoras
Status: Confirmed

CVE: CVE-2024-54083 (🔍)
GCVE (CVE): GCVE-0-2024-54083
GCVE (VulDB): GCVE-100-288520

Entryinfo

Created: 12/16/2024 09:25
Updated: 09/30/2025 18:23
Changes: 12/16/2024 09:25 (64), 12/20/2024 15:00 (2), 09/30/2025 18:23 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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