Improper access control in Cisco ASR 5000 Series - CVE-2017-6774
Published: August 17, 2017
Vulnerability identifier: #VU7965
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2017-6774
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco ASR 5000 Series
Cisco ASR 5000 Series
Detailed vulnerability description
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.
How to mitigate CVE-2017-6774
The vulnerability is addressed in the following versions: 21.4.A0.67087, 21.3.M0.67080.