CVE-2018-0467

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

N/A
Published: October 5, 2018 at 02:00 PM UTC
Updated: June 17, 2026 at 01:30 AM UTC
2 products affected across 1 vendorIOS XeIOS

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Severity
N/A
Exploit prediction
EPSS 4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Confidentiality
NONE
Integrity
NONE
Availability
COMPLETE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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