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CVE-2024-29977

LOW
Published 2024-08-01T14:05:00.340Z
Actions:

Expert Analysis

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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: 0.313
Higher than 31.3% 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, 9.5.x <= 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitrary posts

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 failed to properly validate synced reactions

GHSA-jq3g-xqpx-37x3

Advisory Details

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitrary posts

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

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-2024-29977
PACKAGE https://github.com/mattermost/mattermost
WEB https://mattermost.com/security-updates
WEB https://pkg.go.dev/vuln/GO-2024-3030

Advisory provided by GitHub Security Advisory Database. Published: August 1, 2024, Modified: November 18, 2024

References

https://mattermost.com/security-updates
Published: 2024-08-01T14:05:00.340Z
Last Modified: 2024-08-01T14:35:07.529Z
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