CVE Watch—

CVE-2017-12237

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

CVSS

—

No CVSS

EPSS

7.1%

p94

KEV

YES

Mar 3, 2022

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

7.1%EPSS · 30 days7.1%

2026-08-022026-08-31

KEV catalog record

Product

Cisco / IOS and IOS XE Software

Vulnerability

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

Added to KEV

Mar 3, 2022

Remediate by

Mar 24, 2022

Known ransomware use

Summary description

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.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2017-12237

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2017-6736—

99.3%

KEV—80Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability—CVE-2017-6737—

98.6%

KEV—80Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability—CVE-2017-6742—

97.4%

KEV—79Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability—CVE-2018-0151—

96.3%

KEV—79Cisco IOS Software and Cisco IOS XE Software Quality of Service Remote Code Execution Vulnerability—CVE-2017-12240—

96.3%

KEV—79Cisco IOS and IOS XE Software DHCP Remote Code Execution Vulnerability—CVE-2017-6740—

95.5%

KEV—79Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability—