Security restrictions bypass in Cisco IOS XE - CVE-2017-12239

 

Security restrictions bypass in Cisco IOS XE - CVE-2017-12239

Published: October 4, 2017


Vulnerability identifier: #VU8687
CSH Severity: Low
CVSS v4: 2.4 [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]
CVE-ID: CVE-2017-12239
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Cisco IOS XE

How to mitigate CVE-2017-12239

Install update from vendor's website.


External References

Related Security Bulletins