CVE-2018-0159

published 2018-03-28

CVE-2018-0159: A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and Cisco IOS XE Software could allow an…

high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

KEV ITW

A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and Cisco IOS XE Software 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. Cisco Bug IDs: CSCuj73916.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
cisco	ios	—	—
cisco	ios_and_ios_xe	—	—
cisco	ios_xe	—	—

CVSS provenance

nvd v3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

vulncheck 7.5 HIGH

cisa 7.5 HIGH

CWE-20