Home / Vulnerabilities / CVE-2017-12237
HIGH SEVERITY
CVE-2017-12237 Cisco · IOS and IOS XE Software

Cisco IOS and IOS XE Software Internet Key Exchange Denial-of-Service Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH
7.5 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitation Likelihood

EPSS Prediction

5.32 %
Predictive Probability
Percentile Rank
89.8 th

Documented as more likely to be exploited than 89.8% of known CVEs.

Detection Date

Mar 03, 2022

Remediation Due

Mar 24, 2022

CISA Catalog Active

Threat Analysis

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS and Cisco IOS XE could allow an unauthenticated, remote attacker to cause high CPU utilization, traceback messages, or a reload of an affected device that leads to a denial of service.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence