SB2023080144 - Improper Certificate Validation in Matrix Sydent
Published: August 1, 2023
Security Bulletin ID
SB2023080144
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Certificate Validation (CVE-ID: CVE-2023-38686)
CWE-ID: CWE-295 - Improper Certificate Validation
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper validation of email server certificates. A remote attacker on the local network can perform a man-in-the-middle (MitM) attack to intercept room invitations and address confirmation emails.
Remediation
Install update from vendor's website.