VULNERABILITY INTELLIGENCE

CVE-2017-12233

CVSS score7.5 HIGH
EPSS probability7.07%
CISA KEVKnown exploited vulnerability
Published2017-09-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Known Exploited Vulnerability

Cisco IOS Software Common Industrial Protocol Request Denial-of-Service Vulnerability

Vendor / product: Cisco / IOS software

Description

Multiple vulnerabilities in the implementation of the Common Industrial Protocol (CIP) feature in Cisco IOS 12.4 through 15.6 could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerabilities are due to the improper parsing of crafted CIP packets destined to an affected device. An attacker could exploit these vulnerabilities by sending crafted CIP packets to be processed by an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCuz95334.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references