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MattermostCVELIST:CVE-2021-37866

HistoryJan 18, 2022 - 4:52 p.m.

CVE-2021-37866 Session is not invalidated on server-side when user logged out of Boards

2022-01-1816:52:16

CWE-613

Mattermost

www.cve.org

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

56.3%

JSON

Mattermost Boards plugin v0.10.0 and earlier fails to invalidate a session on the server-side when a user logged out of Boards, which allows an attacker to reuse old session token for authorization.

CNA Affected

[
  {
    "product": "Mattermost Boards",
    "vendor": "Mattermost ",
    "versions": [
      {
        "lessThanOrEqual": "0.10.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "0.9.5",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "0.8.4",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "0.7.5",
        "versionType": "custom"
      }
    ]
  }
]

References

mattermost.com/security-updates/

www.whitesourcesoftware.com/vulnerability-database/CVE-2021-37866

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

56.3%

JSON

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