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CVE-2021-37866

MEDIUM
Published 2022-01-18T16:52:16
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Expert Analysis

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CVSS Score

V3.1
4.7
/10
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.413
Higher than 41.3% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Mattermost

Mattermost Boards

Affected Versions:

unspecified 0.9.5 0.8.4 0.7.5

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-g28x-633f-r8qf

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-37866
WEB https://mattermost.com/security-updates
WEB https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-37866

Advisory provided by GitHub Security Advisory Database. Published: January 19, 2022, Modified: January 25, 2022

References

https://mattermost.com/security-updates/
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-37866
Published: 2022-01-18T16:52:16
Last Modified: 2024-12-06T23:11:40.140Z
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