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githubGitHub Advisory DatabaseGHSA-WJ37-MPQ9-XRCM
HistoryApr 26, 2024 - 9:30 a.m.

Mattermost fails to limit the number of active sessions

2024-04-2609:30:34
CWE-400
GitHub Advisory Database
github.com
4
mattermost
version 8.1.x
version 9.6.x
version 9.5.x
version 9.4.x
session limit
authenticated attacker
server crash
getsessions api

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

6.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.0%

Mattermost versions 8.1.x before 8.1.12, 9.6.x before 9.6.1, 9.5.x before 9.5.3, 9.4.x before 9.4.5 fail to limit the number of active sessions, which allows an authenticated attacker to crash the server via repeated requests to the getSessions API after flooding the sessions table.

Affected configurations

Vulners
Node
github.com\/mattermost\/mattermostserverRange8.1.11
OR
github.com\/mattermost\/mattermostserverRange9.4.4
OR
github.com\/mattermost\/mattermostserverRange9.5.2
OR
github.com\/mattermost\/mattermostserverRange9.6.0

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

6.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.0%

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