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CVE-2024-41926

LOW
Published 2024-08-01T14:05:10.650Z
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CVSS Score

V3.1
2.7
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.230
Higher than 23.0% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
LOW
Availability
NONE

Description

Mattermost versions 9.9.x <= 9.9.0 and 9.5.x <= 9.5.6 fail to validate the source of sync messages and only allow the correct remote IDs, which allows a malicious remote to set arbitrary RemoteId values for synced users and therefore claim that a user was synced from another remote.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Mattermost

Mattermost

Affected Versions:

9.9.0 9.5.0 9.10.0 9.9.1 9.5.7

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Mattermost allows remote actor to set arbitrary RemoteId values for synced users

GHSA-9fpw-c9x7-cv3j

Advisory Details

Mattermost versions 9.9.x <= 9.9.0 and 9.5.x <= 9.5.6 fail to validate the source of sync messages and only allow the correct remote IDs, which allows a malicious remote to set arbitrary RemoteId values for synced users and therefore claim that a user was synced from another remote.

Affected Packages

Go github.com/mattermost/mattermost/server/v8
ECOSYSTEM: ≥9.5.0 <9.5.7
Go github.com/mattermost/mattermost/server/v8
ECOSYSTEM: ≥9.9.0 <9.9.1
Go github.com/mattermost/mattermost/server/v8
ECOSYSTEM: ≥0 <8.0.0-20240604093018-5114c3b7cdb8
Go github.com/mattermost/mattermost
ECOSYSTEM: ≥0 <5.3.2-0.20240604093018-5114c3b7cdb8

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-41926
WEB https://github.com/mattermost/mattermost/commit/5114c3b7cdb84086959bf0ef8bc5afdaedf9fef6
PACKAGE https://github.com/mattermost/mattermost
WEB https://mattermost.com/security-updates
WEB https://pkg.go.dev/vuln/GO-2024-3022

Advisory provided by GitHub Security Advisory Database. Published: August 1, 2024, Modified: July 9, 2025

References

https://mattermost.com/security-updates
Published: 2024-08-01T14:05:10.650Z
Last Modified: 2024-08-01T14:32:10.107Z
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