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Veracode Vulnerability DatabaseVERACODE:48427

HistoryAug 09, 2024 - 6:00 a.m.

Improper Access Control

2024-08-0906:00:22

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

improper access control

shared channels

arbitrary posts

arbitrary channels

CVSS3

7.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

LOW

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

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

16.8%

JSON

github.com/mattermost/mattermost-server is vulnerable to Improper Access Control. The vulnerability is due to inadequate validation when shared channels are enabled, allowing an attacker to create, update, or delete arbitrary posts in arbitrary channels.

References

github.com/advisories/GHSA-vg67-chm7-8m3j

mattermost.com/security-updates

CVSS3

7.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

LOW

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

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

16.8%

JSON

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