CVE-2019-20844

An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. An attacker can spoof a direct-message channel by changing the type of a channel.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://mattermost.com/security-updates/	Vendor Advisory
https://mattermost.com/security-updates/	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server:5.18.0:rc1::::::
	cpe:2.3:a:mattermost:mattermost_server:5.18.0:rc2::::::
	cpe:2.3:a:mattermost:mattermost_server:5.18.0:rc3::::::
	cpe:2.3:a:mattermost:mattermost_server:5.18.0:rc4::::::

History

21 Nov 2024, 04:39

Type	Values Removed	Values Added
References	~~() https://mattermost.com/security-updates/ - Vendor Advisory~~	() https://mattermost.com/security-updates/ - Vendor Advisory

Information

Published : 2020-06-19 14:15

Updated : 2024-11-21 04:39

NVD link : CVE-2019-20844

Mitre link : CVE-2019-20844

CVE.ORG link : CVE-2019-20844

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-924

Improper Enforcement of Message Integrity During Transmission in a Communication Channel

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