CVE-2018-0159

high · 7.5Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

Apply updates per vendor instructions.

Added 2022-03-03Remediation due 2022-03-17

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.

7.5

CVSS

6.9%

EPSS (exploit prob.)

94th

EPSS percentile

2018-03-28

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-20

Affected products

Vendor	Product	Affected versions
cisco	ios	15.3(3)s
cisco	asr_901-12c-f-d	all versions
cisco	asr_901-12c-ft-d	all versions
cisco	asr_901-4c-f-d	all versions
cisco	asr_901-4c-ft-d	all versions
cisco	asr_901-6cz-f-a	all versions
cisco	asr_901-6cz-f-d	all versions
cisco	asr_901-6cz-ft-a	all versions
cisco	asr_901-6cz-ft-d	all versions
cisco	me_3600x-24cx-m	all versions
cisco	me_3600x-24fs-m	all versions
cisco	me_3600x-24ts-m	all versions
cisco	me_3800x-24fs-m	all versions
cisco	ios_xe	15.3(3)s
cisco	asr_901-12c-f-d	all versions
cisco	asr_901-12c-ft-d	all versions
cisco	asr_901-4c-f-d	all versions
cisco	asr_901-4c-ft-d	all versions
cisco	asr_901-6cz-f-a	all versions
cisco	asr_901-6cz-f-d	all versions
cisco	asr_901-6cz-ft-a	all versions
cisco	asr_901-6cz-ft-d	all versions
cisco	me_3600x-24cx-m	all versions
cisco	me_3600x-24fs-m	all versions
cisco	me_3600x-24ts-m	all versions
cisco	me_3800x-24fs-m	all versions

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2018-0159