CVE-2017-18887 : An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It discloses the team creator's e-mail address to members.

Published 2020-06-19 19:15:11

Updated 2020-06-26 18:24:47

Source MITRE

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2017-18887

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

EPSS FAQ

0.08%

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

~ 35 %

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

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Assigned by: nvd@nist.gov (Primary)

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