CVE-2017-18873 : An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to cause a denial of se

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to cause a denial of service (channel invisibility) via a misformatted post.

Published 2020-06-19 18:15:11

Updated 2020-06-29 20:12:05

Source MITRE

View at NVD, CVE.org

Vulnerability category: Input validationDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2017-18873

EPSS FAQ

0.09%

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

~ 38 %

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

CVSS scores for CVE-2017-18873

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
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: Low

CWE ids for CVE-2017-18873

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: nvd@nist.gov (Primary)

Products affected by CVE-2017-18873

Mattermost » Mattermost Server
Versions before (<) 4.1.2
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Matching versions
Mattermost » Mattermost Server
Versions from including (>=) 4.2.0 and before (<) 4.2.1
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Matching versions
Mattermost » Mattermost Server » Version: 4.3.0 Update RC1
cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc1:*:*:*:*:*:*
Matching versions
Mattermost » Mattermost Server » Version: 4.3.0 Update RC2
cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc2:*:*:*:*:*:*
Matching versions
Mattermost » Mattermost Server » Version: 4.3.0 Update RC3
cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc3:*:*:*:*:*:*
Matching versions
Mattermost » Mattermost Server » Version: 4.3.0 Update RC4
cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc4:*:*:*:*:*:*
Matching versions

Vulnerability Details : CVE-2017-18873

Exploit prediction scoring system (EPSS) score for CVE-2017-18873

CVSS scores for CVE-2017-18873

CWE ids for CVE-2017-18873

References for CVE-2017-18873

Products affected by CVE-2017-18873