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[email protected]CVE-2019-20876

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

CVE-2019-20876

2020-06-1917:15:13

[email protected]

web.nvd.nist.gov

mattermost

server

cve-2019-20876

security

policy bypass

user deactivation

5.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

LOW

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

5.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.4%

JSON

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. Users can deactivate themselves, bypassing a policy.

Affected configurations

NVD

Node

mattermostmattermost_serverRange<4.10.8

mattermostmattermost_serverRange5.7.0–5.7.3

mattermostmattermost_serverRange5.8.0–5.8.1

mattermostmattermost_serverMatch5.9.0rc1

mattermostmattermost_serverMatch5.9.0rc2

mattermostmattermost_serverMatch5.9.0rc3

mattermostmattermost_serverMatch5.9.0rc4

CPENameOperatorVersion
mattermost:mattermost_servermattermost mattermost serverlt4.10.8
mattermost:mattermost_servermattermost mattermost serverlt5.7.3
mattermost:mattermost_servermattermost mattermost serverlt5.8.1
mattermost:mattermost_servermattermost mattermost servereq5.9.0

CPE	Name	Operator	Version
mattermost:mattermost_server	mattermost mattermost server	lt	4.10.8
mattermost:mattermost_server	mattermost mattermost server	lt	5.7.3
mattermost:mattermost_server	mattermost mattermost server	lt	5.8.1
mattermost:mattermost_server	mattermost mattermost server	eq	5.9.0

References

mattermost.com/security-updates/

5.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

LOW

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

5.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.4%

JSON

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