Security readout for executives and security teams
This old NetBSD issue affects multi-homed systems, where one host connects to multiple networks. The reported problem is that ARP traffic from one network could alter ARP entries for another, potentially confusing traffic delivery between networks. The public record is sparse and does not identify affected versions, severity, or a confirmed fix. Exposure is most likely limited to legacy or still-running NetBSD hosts with multiple network interfaces connected to separate networks. The sources do not name specific NetBSD versions, configurations, or supported product branches. Treat this as a legacy exposure question, not a confirmed emergency. The priority is to find any remaining NetBSD multi-homed hosts and verify vendor support, because the public CVE record lacks severity and fix detail. Mitigation focus: Inventory NetBSD systems with multiple network interfaces.; Check current NetBSD security advisories and release notes for vendor guidance.; Prioritize upgrade or replacement of unsupported legacy NetBSD hosts..
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-1999-0763 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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
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.