Vulnerability identifier: #VU49556
Vulnerability risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-285
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Mattermost Server
Client/Desktop applications /
Messaging software
Vendor: Mattermost, Inc.
Description
The vulnerability allows a remote user to bypass implemented security restrictions.
The vulnerability exists due to unspecified error related to partial failure in permission level enforcement for high-availability configurations during an active session. A remote user can gain access to restricted resources under certain conditions within an active session.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mattermost Server: 5.0.0 - 5.29.1
External links
http://mattermost.com/security-updates/#MMSA-2020-0040
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.