Improper Certificate Validation in em-imap - CVE-2020-13163
Published: May 22, 2020
Vulnerability identifier: #VU28189
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-13163
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
em-imap
em-imap
Software vendor:
Conrad Irwin
Conrad Irwin
Description
The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.
The vulnerability exists due to the affected software uses the library eventmachine in an insecure way when the hostname in a TLS server certificate is not verified. A remote attacker can perform a MitM attack against users of the library.
Remediation
Install updates from vendor's website.