Security restrictions bypass in Cisco IOS XE - CVE-2017-12239
Published: October 4, 2017
Vulnerability identifier: #VU8687
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-12239
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco IOS XE
Cisco IOS XE
Detailed vulnerability description
The vulnerability allows an unauthenticated, physical attacker to bypass security restrictions on the target system.
The weakness exists due to an engineering console port is available on the motherboard. An attacker can physically connect to the console port on the line card, bypass security restrictions and gain full access to the affected device's operating system.
How to mitigate CVE-2017-12239
Install update from vendor's website.