Loading HuntDB...
Hunt
Vulnerability Intelligence by wss.sh
Home Daily Briefings High Impact CVEs Recent Exploits KEV Catalog GitHub Advisories Latest Updates Security News
Sign In Sign Up

CVE-2024-39777

HIGH
Published 2024-08-01T14:05:03.701Z
Actions:

Expert Analysis

Professional remediation guidance

Get tailored security recommendations from our analyst team for CVE-2024-39777. We'll provide specific mitigation strategies based on your environment and risk profile.

CVSS Score

V3.1
8.7
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/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: 0.350
Higher than 35.0% of all CVEs

Attack Vector Metrics

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

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Description

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to disallow unsolicited invites to expose access to local channels, when shared channels are enabled, which allows a malicious remote to send an invite with the ID of an existing local channel, and that local channel will then become shared without the consent of the local admin.

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 9.7.0 9.8.0 9.10.0 9.9.1 9.5.7 9.7.6 9.8.2
mattermost

mattermost

Affected Versions:

9.9.0 9.5.0 9.7.0 9.8.0 9.10.0 9.9.1 9.5.7 9.7.6 9.8.2

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed CRITICAL

Mattermost allows unsolicited invites to expose access to local channels

GHSA-q22q-2rrf-m27p

Advisory Details

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to disallow unsolicited invites to expose access to local channels, when shared channels are enabled, which allows a malicious remote to send an invite with the ID of an existing local channel, and that local channel will then become shared without the consent of the local admin.

Affected Packages

Go github.com/mattermost/mattermost/server/v8
ECOSYSTEM: ≥9.9.0 <9.9.1
Go github.com/mattermost/mattermost/server/v8
ECOSYSTEM: ≥9.5.0 <9.5.7
Go github.com/mattermost/mattermost/server/v8
ECOSYSTEM: ≥9.7.0 <9.7.6
Go github.com/mattermost/mattermost/server/v8
ECOSYSTEM: ≥9.8.0 <9.8.1

CVSS Scoring

CVSS Score

9.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-39777
PACKAGE https://github.com/mattermost/mattermost
WEB https://mattermost.com/security-updates

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

References

https://mattermost.com/security-updates
Published: 2024-08-01T14:05:03.701Z
Last Modified: 2024-08-01T16:07:03.592Z
Copied to clipboard!