Improper access control in Samba - CVE-2016-2124

 

Improper access control in Samba - CVE-2016-2124

Published: November 10, 2021 / Updated: July 27, 2022


Vulnerability identifier: #VU58098
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-2124
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Samba
Affected software:
Samba

Detailed vulnerability description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to SMB1 client connections can be downgraded to plaintext authentication. A remote attacker can perform a man-in-the-middle attack and downgrade a negotiated SMB1 client connection and its capabitilities.


How to mitigate CVE-2016-2124

Install updates from vendor's website.

Sources