Mattermost Server up to 8.1.10/9.5.0 Call access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Mattermost Server up to 8.1.10/9.5.0. It has been declared as critical. This vulnerability affects unknown code of the component Call Handler. The manipulation results in access control. This vulnerability is reported as CVE-2024-21848. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Mattermost Server up to 8.1.10/9.5.0. Affected is some unknown processing of the component Call Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality. CVE summarizes:

Improper Access Control in Mattermost Server versions 8.1.x before 8.1.11 allows an attacker that is in a channel with an active call to keep participating in the call even if they are removed from the channel

The weakness was disclosed by Leandro Chaves. The advisory is available at mattermost.com. This vulnerability is traded as CVE-2024-21848 since 04/03/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 8.1.11 or 9.5.0 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

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

NVD Base Score: 3.1
NVD Vector: 🔍

CNA Base Score: 3.1
CNA Vector (Mattermost, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Server 8.1.11/9.5.0

Timelineinfo

04/03/2024 🔍
04/05/2024 +2 days 🔍
04/05/2024 +0 days 🔍
12/13/2024 +252 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: Leandro Chaves
Status: Confirmed

CVE: CVE-2024-21848 (🔍)
GCVE (CVE): GCVE-0-2024-21848
GCVE (VulDB): GCVE-100-259482

Entryinfo

Created: 04/05/2024 10:53
Updated: 12/13/2024 17:42
Changes: 04/05/2024 10:53 (65), 05/10/2024 03:10 (1), 12/13/2024 17:42 (14)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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