LiveActive security incident?Get immediate response
CVE Record

CVE-1999-0909: Multihomed Windows systems allow a remote attacker to bypass IP source routing restrictions via a malformed...

Multihomed Windows systems allow a remote attacker to bypass IP source routing restrictions via a malformed packet with IP options, aka the "Spoofed Route Pointer" vulnerability.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is an old Windows networking flaw affecting multihomed systems, meaning hosts with more than one network interface. A remote attacker could bypass IP source routing restrictions using malformed traffic with IP options. The bundle does not identify affected Windows versions, severity scoring, active exploitation, or a specific fix. Likely limited to legacy multihomed Windows systems where IP source routing restrictions are relevant. Exposure cannot be scoped from this bundle because affected products and versions are listed as unavailable. Prioritize investigation if legacy multihomed Windows systems still exist in production or network boundary roles. Otherwise, this is mainly a historical exposure review item because current exploit activity and affected versions are not established in the bundle. Mitigation focus: Review Microsoft MS99-038 and Q238453 for official affected-version and remediation guidance.; Inventory legacy Windows hosts with multiple network interfaces.; Prioritize systems bridging sensitive and untrusted networks..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

CVE-1999-0909 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.