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veracodeVeracode Vulnerability DatabaseVERACODE:44416
HistoryNov 28, 2023 - 8:09 a.m.

Open Redirect

2023-11-2808:09:41
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
8
mattermost
open redirect
missing validation
redirect url
vulnerability
custom url scheme
protection mechanism
privileges
exploitation

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

7.2

Confidence

Low

EPSS

0.001

Percentile

17.0%

mattermost is vulnerable to Open Redirect. The vulnerability is caused due to a missing validation at redirect URL parameter. The application fails to validate the custom URL scheme /oauth/{service}/mobile_login?redirect_to=, once a user clicks β€œBack to mattermost”. The attacker can bypass protection mechanism or gain privileges by exploiting this vulnerability.

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

7.2

Confidence

Low

EPSS

0.001

Percentile

17.0%