Security readout for executives and security teams
CVE-2018-0467 can let a remote, unauthenticated attacker crash affected Cisco IOS or IOS XE devices by abusing IPv6 hop-by-hop option handling. The business impact is network disruption: routers or switches may reload, interrupting connectivity for users, sites, or operational environments. Exposure is most likely where Cisco IOS or IOS XE devices process IPv6 traffic, including transit traffic. Devices without IPv6 processing exposure are less likely to be affected, but exact product and release matching requires Cisco advisory validation. Treat this as a high-priority availability risk for Cisco network infrastructure using IPv6. It is not described as data compromise, but device reloads can interrupt business connectivity and operational services. Mitigation focus: Review Cisco advisory cisco-sa-20180926-ipv6hbh for affected releases and vendor guidance.; Apply only Cisco-recommended fixed releases or workarounds identified for the exact platform.; Prioritize critical, internet-facing, and site-edge devices that process IPv6 traffic..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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CWE-20: Exact CWE lookup
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Open ATT&CK lookupCVE-2018-0467 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- 20180926 Cisco IOS and IOS XE Software IPv6 Hop-by-Hop Options Denial of Service VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
- https://ics-cert.us-cert.gov/advisories/ICSA-19-094-03CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.