SB2017072507 - Privilege escalation in ZyXEL PK5001Z
Published: July 25, 2017
Security Bulletin ID
SB2017072507
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Credentials management (CVE-ID: CVE-2016-10401)
CWE-ID: CWE-255 - Credentials Management
CVSSv4: 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:P/U:Clear
The vulnerability allows a remote attacker to gain elevated privileges on the target system.
The weakness exists due to ZyXEL PK5001Z devices have zyad5001 as the su password. A remote attacker can gain root access if a non-root account password is known or a non-root default account exists within an ISP's deployment of the devices.
Remediation
Install update from vendor's website.