Permissions, Privileges, and Access Controls in FortiOS - CVE-2016-1909
Published: January 15, 2016 / Updated: August 9, 2020
Vulnerability identifier: #VU40524
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:A/U:Amber
CVE-ID: CVE-2016-1909
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Fortinet, Inc
Affected software:
FortiOS
FortiOS
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Fortinet FortiAnalyzer before 5.0.12 and 5.2.x before 5.2.5; FortiSwitch 3.3.x before 3.3.3; FortiCache 3.0.x before 3.0.8; and FortiOS 4.1.x before 4.1.11, 4.2.x before 4.2.16, 4.3.x before 4.3.17 and 5.0.x before 5.0.8 have a hardcoded passphrase for the Fortimanager_Access account, which allows remote attackers to obtain administrative access via an SSH session.
How to mitigate CVE-2016-1909
Install update from vendor's website.
Sources
- http://blog.fortinet.com/post/brief-statement-regarding-issues-found-with-fortios
- http://packetstormsecurity.com/files/135225/FortiGate-OS-5.0.7-SSH-Backdoor.html
- http://seclists.org/fulldisclosure/2016/Jan/26
- http://www.fortiguard.com/advisory/multiple-products-ssh-undocumented-login-vulnerability
- http://www.securitytracker.com/id/1034663
- https://twitter.com/esizkur/status/686842135501508608
- https://www.exploit-db.com/exploits/39224/