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GoogleOSV:CVE-2023-2788

HistoryJun 16, 2023 - 9:15 a.m.

CVE-2023-2788

2023-06-1609:15:09

Google

osv.dev

mattermost

admin account

oauth2

vulnerability

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

7 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

25.1%

JSON

Mattermost fails to check if an admin user account active after an oauth2 flow is started, allowing an attacker with admin privileges to retain persistent access to Mattermost by obtaining an oauth2 access token while the attacker’s account is deactivated.

CPENameOperatorVersion
mattermost-servereq7.9.0
mattermost-servereq7.1.1
mattermost-servereq7.1.3
mattermost-servereq7.9.1
mattermost-servereq7.9.2
mattermost-servereq7.9.3
mattermost-servereq7.1.6
mattermost-servereq7.8.0
mattermost-servereq7.1.4
mattermost-servereq7.8.1

Name	Operator	Version
mattermost-server	eq	7.9.0
mattermost-server	eq	7.1.1
mattermost-server	eq	7.1.3
mattermost-server	eq	7.9.1
mattermost-server	eq	7.9.2
mattermost-server	eq	7.9.3
mattermost-server	eq	7.1.6
mattermost-server	eq	7.8.0
mattermost-server	eq	7.1.4
mattermost-server	eq	7.8.1

Rows per page:

1-10 of 191

References

mattermost.com/security-updates/

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

7 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

25.1%

JSON

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