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[email protected]CVE-2019-20887

HistoryJun 19, 2020 - 5:15 p.m.

CVE-2019-20887

2020-06-1917:15:13

CWE-862

[email protected]

web.nvd.nist.gov

mattermost

server

cve-2019-20887

unauthorized access

api permissions

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

4.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

22.7%

JSON

An issue was discovered in Mattermost Server before 5.7.1, 5.6.4, 5.5.3, and 4.10.6. It does not honor flags API permissions when deciding whether a user can receive intra-team posts.

Affected configurations

NVD

Node

mattermostmattermost_serverRange<4.10.6

mattermostmattermost_serverRange5.5.0–5.5.3

mattermostmattermost_serverRange5.6.0–5.6.4

mattermostmattermost_serverRange5.7.0–5.7.1

CPENameOperatorVersion
mattermost:mattermost_servermattermost mattermost serverlt4.10.6
mattermost:mattermost_servermattermost mattermost serverlt5.5.3
mattermost:mattermost_servermattermost mattermost serverlt5.6.4
mattermost:mattermost_servermattermost mattermost serverlt5.7.1

CPE	Name	Operator	Version
mattermost:mattermost_server	mattermost mattermost server	lt	4.10.6
mattermost:mattermost_server	mattermost mattermost server	lt	5.5.3
mattermost:mattermost_server	mattermost mattermost server	lt	5.6.4
mattermost:mattermost_server	mattermost mattermost server	lt	5.7.1

References

mattermost.com/security-updates/

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

4.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

22.7%

JSON

Related for CVE-2019-20887

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