CVE-2018-0158Cisco IOS and XE Software Internet Key Exchange Memory Leak Vulnerability
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.
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.6 | HIGH | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H |
| 7.8 | HIGH | 2.0NVD | AV:N/AC:L/Au:N/C:N/I:N/A:C |
CISA required action
⚡ Known exploited · remediation due Mar 17, 2022
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2018-0158
- Status
- Analyzed
- Assigner (CNA)
- cisco
- Published
- Mar 28, 2018
- Last modified
- 2026-06-17 01:29 UTC
Affected Products
As published by the CNA in the CVE record.
Cisco IOS and IOS XE1 version range
- Cisco IOS and IOS XE
References
- securityfocus.com http://www.securityfocus.com/bid/103566
- securitytracker.com http://www.securitytracker.com/id/1040595
- ics-cert.us-cert.gov https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03
- ics-cert.us-cert.gov https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
- tools.cisco.com https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-ike
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0158