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[email protected]CVE-2017-18889

HistoryJun 19, 2020 - 7:15 p.m.

CVE-2017-18889

2020-06-1919:15:10

CWE-20

[email protected]

web.nvd.nist.gov

mattermost

server

cve-2017-18889

security

webhooks

rest api

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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 4.3.0, 4.2.1, and 4.1.2. An attacker could create fictive system-message posts via webhooks and slash commands, in the v3 or v4 REST API.

Affected configurations

NVD

Node

mattermostmattermost_serverRange<4.1.2

mattermostmattermost_serverRange4.2.0–4.2.1

mattermostmattermost_serverMatch4.3.0rc1

mattermostmattermost_serverMatch4.3.0rc2

mattermostmattermost_serverMatch4.3.0rc3

mattermostmattermost_serverMatch4.3.0rc4

CPENameOperatorVersion
mattermost:mattermost_servermattermost mattermost serverlt4.1.2
mattermost:mattermost_servermattermost mattermost serverlt4.2.1
mattermost:mattermost_servermattermost mattermost servereq4.3.0

CPE	Name	Operator	Version
mattermost:mattermost_server	mattermost mattermost server	lt	4.1.2
mattermost:mattermost_server	mattermost mattermost server	lt	4.2.1
mattermost:mattermost_server	mattermost mattermost server	eq	4.3.0

References

mattermost.com/security-updates/

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

4.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

22.7%

JSON

Related for CVE-2017-18889

osv1 prion1 cvelist1 nvd1