#VU49239 Improper validation of certificate with host mismatch in Rsync - CVE-2020-14387
Published: January 4, 2021 / Updated: May 1, 2023
Vulnerability identifier: #VU49239
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-14387
CWE-ID: CWE-297
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Rsync
Rsync
Software vendor:
Samba
Samba
Description
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists in Samba rsync due to the application does not verify the hostname in the server certificate in openssl mode. A remote attacker can supply any valid certificate for another hostname and intercept the traffic.
Remediation
Install update from vendor's website.