CVE-2017-18871 : An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, 4.3.4, and 4.2.2. It allows attackers to cause a denia

An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, 4.3.4, and 4.2.2. It allows attackers to cause a denial of service (application crash) via an @ character before a JavaScript field name.

Published 2020-06-19 17:15:12

Updated 2020-06-26 15:16:52

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2017-18871

EPSS FAQ

0.10%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 41 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-18871

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

Products affected by CVE-2017-18871

Mattermost » Mattermost Server
Versions from including (>=) 4.3.0 and before (<) 4.3.4
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Matching versions
Mattermost » Mattermost Server
Versions from including (>=) 4.4.0 and before (<) 4.4.5
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Matching versions
Mattermost » Mattermost Server
Versions before (<) 4.2.2
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Matching versions
Mattermost » Mattermost Server » Version: 4.5.0 Update RC1
cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc1:*:*:*:*:*:*
Matching versions
Mattermost » Mattermost Server » Version: 4.5.0 Update RC2
cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc2:*:*:*:*:*:*
Matching versions
Mattermost » Mattermost Server » Version: 4.5.0 Update RC3
cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc3:*:*:*:*:*:*
Matching versions
Mattermost » Mattermost Server » Version: 4.5.0 Update RC4
cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc4:*:*:*:*:*:*
Matching versions

Vulnerability Details : CVE-2017-18871

Exploit prediction scoring system (EPSS) score for CVE-2017-18871

CVSS scores for CVE-2017-18871

References for CVE-2017-18871

Products affected by CVE-2017-18871