PT-2018-3800 · Cisco · Cisco Ios Xe+1

Published 2018-03-28 · Updated 2025-10-27 · CVE-2018-0158

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Cisco IOS and XE Software (affected versions not specified)

Description A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module could allow an unauthenticated, remote attacker to cause a memory leak or a reload of an affected device, leading 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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Memory Leak

RCE

Weakness Enumeration

CWE-401

CWE-20

Related Identifiers

BDU:2022-04012

CVE-2018-0158

Affected Products

Cisco Ios

Cisco Ios Xe

References · 12

• https://nvd.nist.gov/vuln/detail/CVE-2018-0158 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-ike · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-0158 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-04012 · Security Note
• https://t.me/cvenotify/108764 · Telegram Post
• http://securitytracker.com/id/1040595 · Note
• http://securityfocus.com/bid/103566 · Note
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0158 · Note
• https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03 · Note
• https://t.me/cveNotify/140535 · Telegram Post
• https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04 · Note
• https://cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv · Note