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MitreCVE-2018-21254

HistoryJun 19, 2020 - 5:15 p.m.

CVE-2018-21254

2020-06-1917:15:12

CWE-732

mitre

web.nvd.nist.gov

mattermost

server

access control bypass

cve-2018-21254

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

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

4.7

Confidence

High

EPSS

0.001

Percentile

22.7%

JSON

An issue was discovered in Mattermost Server before 5.1. An attacker can bypass intended access control (for direct-message channel creation) via the Message slash command.

Affected configurations

Nvd

Node

mattermostmattermost_serverRange<5.1.0

VendorProductVersionCPE
mattermostmattermost_server*cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mattermost	mattermost_server	*	cpe:2.3:a:mattermost:mattermost_server::::::::

References

mattermost.com/security-updates/

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

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

4.7

Confidence

High

EPSS

0.001

Percentile

22.7%

JSON

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