CVE-2017-12234

State: Published
Severity: 7.5 High
Published: Sep 28, 2017
Updated: Jan 12, 2026
Reserved: Aug 3, 2017

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: CSCvc43709.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-20

Affected Products

Product	Versions
Cisco IOSn/a	Cisco IOSAffected

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-cip
101038vdb-entry
1039459vdb-entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-12234government-resource

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