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CVE-2023-5967

MEDIUM
Published 2023-11-06T15:24:24.544Z
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CVSS Score

V3.1
4.3
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
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: 0.283
Higher than 28.3% of all CVEs

Attack Vector Metrics

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

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
LOW

Description

Mattermost fails to properly validate requests to the Calls plugin, allowing an attacker sending a request without a User Agent header to cause a panic and crash the Calls plugin

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Mattermost

Mattermost

Affected Versions:

0 0 0 8.1.3 8.0.4 7.8.12

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Mattermost denial of service vulnerability

GHSA-xvq6-h898-wcj8

Advisory Details

Mattermost fails to properly validate requests to the Calls plugin, allowing an attacker sending a request without a User Agent header to cause a panic and crash the Calls plugin

Affected Packages

Go github.com/mattermost/mattermost-server/v6
ECOSYSTEM: ≥0 <7.8.12
Go github.com/mattermost/mattermost/server/v8
ECOSYSTEM: ≥8.0.0 <8.0.4
Go github.com/mattermost/mattermost/server/v8
ECOSYSTEM: ≥8.1.0 <8.1.3
Go github.com/mattermost/mattermost/server/v8
ECOSYSTEM: ≥9.0.0 <9.0.1

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-5967
PACKAGE https://github.com/mattermost/mattermost
WEB https://mattermost.com/security-updates

Advisory provided by GitHub Security Advisory Database. Published: November 6, 2023, Modified: November 8, 2023

References

https://mattermost.com/security-updates
Published: 2023-11-06T15:24:24.544Z
Last Modified: 2024-09-12T19:30:12.159Z
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