VDB-255262 · CVE-2024-1949 · GCVE-0-2024-1949

Mattermost up to 8.1.8/9.4.1 Post Creation information disclosure

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.
2.7	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Mattermost up to 8.1.8/9.4.1. The impacted element is an unknown function of the component Post Creation Handler. Executing a manipulation can lead to information disclosure. This vulnerability is tracked as CVE-2024-1949. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Mattermost up to 8.1.8/9.4.1 and classified as problematic. This vulnerability affects an unknown function of the component Post Creation Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

A race condition in Mattermost versions 8.1.x before 8.1.9, and 9.4.x before 9.4.2 allows an authenticated attacker to gain unauthorized access to individual posts' contents via carefully timed post creation while another user deletes posts.

The weakness was disclosed 02/29/2024 by Agniva De Sarker. The advisory is available at mattermost.com. This vulnerability was named CVE-2024-1949 since 02/27/2024. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading to version 8.1.9, 9.4.2 or 9.5 eliminates this vulnerability.

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Productinfo

Type

Groupware Software

Name

Mattermost

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.8
VulDB Meta Temp Score: 2.7

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 2.6
NVD Vector: 🔍

CNA Base Score: 2.6
CNA Vector (Mattermost, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: Mattermost 8.1.9/9.4.2/9.5

Timelineinfo

02/27/2024 🔍
02/29/2024 +2 days 🔍
02/29/2024 +0 days 🔍
04/18/2025 +414 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: Agniva De Sarker
Status: Confirmed

CVE: CVE-2024-1949 (🔍)
GCVE (CVE): GCVE-0-2024-1949
GCVE (VulDB): GCVE-100-255262

Entryinfo

Created: 02/29/2024 13:55
Updated: 04/18/2025 10:37
Changes: 02/29/2024 13:55 (50), 12/13/2024 19:44 (28), 04/18/2025 10:37 (3)
Complete: 🔍
Cache ID: 216::103