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cve[email protected]CVE-2021-37864
HistoryJan 18, 2022 - 5:15 p.m.

CVE-2021-37864

2022-01-1817:15:08
CWE-284
CWE-863
web.nvd.nist.gov
20
mattermost
cve-2021-37864
permissions
authentication
api
security vulnerability

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

28.4%

Mattermost 6.1 and earlier fails to sufficiently validate permissions while viewing archived channels, which allows authenticated users to view contents of archived channels even when this is denied by system administrators by directly accessing the APIs.

Affected configurations

NVD
Node
mattermostmattermostRange6.1
CPENameOperatorVersion
mattermost:mattermostmattermostle6.1

CNA Affected

[
  {
    "product": "Mattermost ",
    "vendor": "Mattermost ",
    "versions": [
      {
        "lessThan": "6.2",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

28.4%

Related for CVE-2021-37864