PT-2018-1188 · Cisco · Cisco Ios+1

Published 2018-03-28 · Updated 2025-10-28 · CVE-2018-0159

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

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

Description A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of specific IKEv1 packets. An attacker could exploit this vulnerability by sending crafted IKEv1 packets to an affected device during an IKE negotiation. A successful exploit could allow the attacker to cause an affected device to 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

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2018-00646

CVE-2018-0159

Affected Products

Cisco Ios

Cisco Ios Xe

References · 10

• https://bdu.fstec.ru/vul/2018-00646 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-0159 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-ike-dos · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-0159 · Vendor Advisory
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0159 · Note
• http://securitytracker.com/id/1040595 · Note
• https://t.me/cveNotify/140645 · Telegram Post
• http://securityfocus.com/bid/103562 · Note
• https://cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv · Note
• https://t.me/cvenotify/108765 · Telegram Post