Known Exploited Vulnerabilities · CISA KEV Catalog

CVE-2017-12234: Cisco IOS Software Common Industrial Protocol Request Denial-of-Service Vulnerability

Summary: CVE-2017-12234 is a vulnerability in the Common Industrial Protocol (CIP) feature of Cisco IOS software that could let an unauthenticated, remote attacker cause an affected device to reload, resulting in a denial of service. CISA set a remediation due date of 2022-03-24 and lists known ransomware campaign use as unknown.

What's compelling: An unauthenticated remote attacker can force a Cisco IOS device offline with no credentials required, and CISA's catalog records no confirmed ransomware use, so the absence of that signal is not evidence the flaw is being ignored.

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Vulnerabilities & Patching
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CVE-2017-12234Cisco
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