netVigilance Vulnerability intelligence since 2004
CVE-2017-12235 · netVigilance record NV22-0126

Cisco IOS Software for Cisco Industrial Ethernet Switches PROFINET Denial-of-Service

past due

What to do

Apply updates per vendor instructions.

CISA deadline 2022-03-24 · passed 4 years 5 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

A vulnerability in the implementation of the PROFINET Discovery and Configuration Protocol (PN-DCP) for Cisco IOS could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service.

Who is affected

Cisco IOS software. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-20.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 4 years 5 months ago

Sources