Improper input validation in Cisco IOS - CVE-2017-12233

 

Improper input validation in Cisco IOS - CVE-2017-12233

Published: October 4, 2017 / Updated: March 8, 2022


Vulnerability identifier: #VU8684
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2017-12233
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Cisco Systems, Inc
Affected software:
Cisco IOS

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition.

The weakness exists due to an error in the implementation of the Common Industrial Protocol (CIP) feature. A remote attacker can send specially crafted CIP packets and cause the device to reload.

How to mitigate CVE-2017-12233

Install update from vendor's website.

Sources