Is CVE-2017-12234 actively exploited?

Yes. CVE-2017-12234 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2017-12234 be exploited remotely?

The attack vector of CVE-2017-12234 has not been classified yet.

What is the CVSS score of CVE-2017-12234?

CVE-2017-12234 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2017-12234

HIGHCISA KEVIN THE WILD

CVE-2017-12234

Published: March 3, 2022

EPSS:6.54%probability of exploitation in 30 daysPercentile:90.9th

Official Description

There is a vulnerability in the implementation of the Common Industrial Protocol (CIP) feature in Cisco IOS could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service.

NVD Source

CISA KEV Advisory

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

Added to KEV: 2022-03-03Federal patch deadline: 2022-03-24

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

A vulnerability in the Common Industrial Protocol (CIP) feature of Cisco IOS could allow an unauthenticated, remote attacker to cause a device reload, leading to a denial of service. Its presence in CISA's KEV catalog and an EPSS score of 0.06545 indicate a high likelihood of exploitation, making it an urgent concern.

This vulnerability has been actively exploited in the wild and is included in CISA's Known Exploited Vulnerabilities (KEV) catalog. It is remotely exploitable.

Recommended Action

Cisco IOS users should apply the relevant security updates to address the CIP denial of service vulnerability.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2017-12234 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2017-12234 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.