CVE-2017-12234

Known Exploited

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 10.01% Top 10%
KEV Since 
Vendor Advisory cisco.com
Affected: n/a Cisco IOS
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-cip vendor advisory
http://www.securityfocus.com/bid/101038 vdb entry third party advisory broken link
http://www.securitytracker.com/id/1039459 vdb entry third party advisory broken link

Frequently Asked Questions

What is the severity of CVE-2017-12234?
CVE-2017-12234 has been scored as a high severity vulnerability.
How to fix CVE-2017-12234?
To fix CVE-2017-12234, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-12234 being actively exploited in the wild?
It is confirmed that CVE-2017-12234 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~10% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-12234?
CVE-2017-12234 affects n/a Cisco IOS.
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