CVE-2017-12233

HighActively exploited (CISA KEV)

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductCisco IOS software
PublishedSep 29, 2017
First seenSep 29, 2017
Added to KEVMar 3, 2022

How to fix

CISA required action

Apply updates per vendor instructions.

CISA due date: Mar 24, 2022

Affected products

ProductAffected versionsFixed in
cisco ios12.4 ≤ v ≤ 15.6—

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CVE-2017-12233 · Cisco IOS software · Dark Radar