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Veracode Vulnerability DatabaseVERACODE:48449

HistoryAug 12, 2024 - 10:24 a.m.

Improper Access Control

2024-08-1210:24:18

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

improper access control

remote user modification

shared channels vulnerability

arbitrary channel modification

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.7

Confidence

High

EPSS

Percentile

14.7%

JSON

github.com/mattermost/mattermost-server is vulnerable to Improper Access Control. The vulnerability is caused due to a failure to disallow the modification of local channels by a remote, when shared channels are enabled. This allows a malicious remote user to make an arbitrary local channel read-only.

References

github.com/advisories/GHSA-jr9x-3x7m-4j75

mattermost.com/security-updates

mattermost.com/security-updates/

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.7

Confidence

High

EPSS

Percentile

14.7%

JSON

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