CVE-2018-0158

8.6 HIGH CISA KEV - Actively Exploited
Published: March 28, 2018 Modified: October 27, 2025

Description

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak or a reload of an affected device that leads to a denial of service (DoS) condition. The vulnerability is due to incorrect processing of certain IKEv2 packets. An attacker could exploit this vulnerability by sending crafted IKEv2 packets to an affected device to be processed. A successful exploit could cause an affected device to continuously consume memory and eventually reload, resulting in a DoS condition. Cisco Bug IDs: CSCvf22394.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/103566
Source: psirt@cisco.com
Broken Link Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1040595
Source: psirt@cisco.com
Broken Link Third Party Advisory VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03
Source: psirt@cisco.com
Third Party Advisory US Government Resource VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
Source: psirt@cisco.com
Third Party Advisory US Government Resource VDB Entry
http://www.securityfocus.com/bid/103566
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1040595
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Third Party Advisory VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0158
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

11 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.6 / 10.0
EPSS (Exploit Probability)
11.3%
93th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-03-17

Weaknesses (CWE)

Affected Vendors

rockwellautomation cisco