CVE-2023-6458
Published: 06 December 2023
Summary
CVE-2023-6458 is a high-severity Injection (CWE-74) vulnerability in Mattermost Mattermost Server. Its CVSS base score is 7.1 (High).
Operationally, ranked in the top 35.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-3139
Vulnerability details
Mattermost webapp fails to validate route parameters in/<TEAM_NAME>/channels/<CHANNEL_NAME> allowing an attacker to perform a client-side path traversal.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Developer assessments and testing (including injection-focused techniques) identify improper neutralization of special elements, and the verifiable flaw remediation corrects them pre-deployment.
Validates pathnames and filenames to prevent traversal outside intended directories.
Identifies indicators of injection attacks (command, SQL, LDAP, etc.) via anomaly and attack monitoring.