Improper Certificate Validation in Sydent - CVE-2023-38686
Published: August 1, 2023
Vulnerability identifier: #VU78843
CSH Severity: Medium
CVSSv4.0: 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
CVE-ID: CVE-2023-38686
CWE-ID: CWE-295
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Sydent
Sydent
Software vendor:
Matrix.org
Matrix.org
Description
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 updates from vendor's website.