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GitHub Advisory DatabaseGHSA-J2H2-CVWH-CR64

HistoryMay 24, 2022 - 5:21 p.m.

Mattermost Server Sensitive Data Exposure

2022-05-2417:21:17

CWE-862

GitHub Advisory Database

github.com

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

0.001 Low

EPSS

Percentile

35.9%

JSON

An issue was discovered in Mattermost Server before 5.20.0. Non-members can receive broadcasted team details via the update_team WebSocket event, aka MMSA-2020-0012.

Affected configurations

Vulners

Node

github.com\/mattermost\/mattermostserverRange<5.20.0

CPENameOperatorVersion
github.com/mattermost/mattermostlt5.20.0

CPE	Name	Operator	Version
	github.com/mattermost/mattermost	lt	5.20.0

References

github.com/advisories/GHSA-j2h2-cvwh-cr64

github.com/mattermost/mattermost/pull/13848

mattermost.com/security-updates/

nvd.nist.gov/vuln/detail/CVE-2020-14457

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

0.001 Low

EPSS

Percentile

35.9%

JSON

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