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CVE-2024-39836

MEDIUM
Published 2024-08-22T06:27:09.829Z
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CVSS Score

V3.1
4.8
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/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: 0.321
Higher than 32.1% of all CVEs

Attack Vector Metrics

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

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
NONE

Description

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to ensure that remote/synthetic users cannot create sessions or reset passwords, which allows the munged email addresses, created by shared channels, to be used to receive email notifications and to reset passwords, when they are valid, functional emails.

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 9.8.0 9.11.0 9.9.2 9.5.8 9.10.1 9.8.3

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Mattermost allows remote/synthetic users to create sessions, reset passwords

GHSA-c6vp-jjgv-38wj

Advisory Details

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to ensure that remote/synthetic users cannot create sessions or reset passwords, which allows the munged email addresses, created by shared channels, to be used to receive email notifications and to reset passwords, when they are valid, functional emails.

Affected Packages

Go github.com/mattermost/mattermost/server/v8
ECOSYSTEM: ≥9.9.0 <9.9.2
Go github.com/mattermost/mattermost/server/v8
ECOSYSTEM: ≥9.5.0 <9.5.8
Go github.com/mattermost/mattermost/server/v8
ECOSYSTEM: ≥9.10.0 <9.10.1
Go github.com/mattermost/mattermost/server/v8
ECOSYSTEM: ≥9.8.0 <9.8.3

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-39836
PACKAGE https://github.com/mattermost/mattermost
WEB https://mattermost.com/security-updates

Advisory provided by GitHub Security Advisory Database. Published: August 22, 2024, Modified: August 23, 2024

References

https://mattermost.com/security-updates
Published: 2024-08-22T06:27:09.829Z
Last Modified: 2024-08-22T16:39:21.881Z
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