Improper access control in Cisco ASR 5000 Series - CVE-2017-6774
Published: August 17, 2017
Vulnerability identifier: #VU7965
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-6774
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated attacker to overwrite or modify sensitive system files.
The weakness exists in the CLI of Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating system due to the inclusion of sensitive system files within specific FTP subdirectories. A remote authenticated attacker can overwrite sensitive configuration files through FTP and overwrite configuration files on an affected system.
The weakness exists in the CLI of Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating system due to the inclusion of sensitive system files within specific FTP subdirectories. A remote authenticated attacker can overwrite sensitive configuration files through FTP and overwrite configuration files on an affected system.
Affected software
Cisco ASR 5000 Series
How to mitigate CVE-2017-6774
The vulnerability is addressed in the following versions: 21.4.A0.67087, 21.3.M0.67080.