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[email protected]CVE-2017-18883

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

CVE-2017-18883

2020-06-1919:15:10

CWE-331

[email protected]

web.nvd.nist.gov

mattermost

server

oauth 2.0

low entropy

authorization

nvd

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

9.2 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

54.0%

JSON

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2, when serving as an OAuth 2.0 Service Provider. There is low entropy for authorization data.

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/

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

9.2 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

54.0%

JSON

Related for CVE-2017-18883

osv1 prion1 cvelist1 nvd1