CVE-2018-0467

Cisco IOS and IOS XE Software IPv6 Hop-by-Hop Options Denial of Service Vulnerability

Description

A vulnerability in the IPv6 processing code of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect handling of specific IPv6 hop-by-hop options. An attacker could exploit this vulnerability by sending a malicious IPv6 packet to or through the affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition on an affected device.

Category

8.6
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.96% Top 25%
Vendor Advisory cisco.com
Affected: Cisco Cisco IOS Software
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ipv6hbh vendor advisory
http://www.securitytracker.com/id/1041737 vdb entry third party advisory
https://ics-cert.us-cert.gov/advisories/ICSA-19-094-03

Frequently Asked Questions

What is the severity of CVE-2018-0467?
CVE-2018-0467 has been scored as a high severity vulnerability.
How to fix CVE-2018-0467?
To fix CVE-2018-0467, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-0467 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-0467 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0467?
CVE-2018-0467 affects Cisco Cisco IOS Software.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.