CVE-1999-1203: Multilink PPP for ISDN dialup users in Ascend before 4.6 allows remote attackers to cause a denial of service via a spoo
Summary
Multilink PPP for ISDN dialup users in Ascend before 4.6 allows remote attackers to cause a denial of service via a spoofed endpoint identifier.
Severity
UNKNOWN
Source Attribution
Source: NVD · Updated: 2026-08-21T04:30:43.079Z · Confidence: high
Impact
Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.
Affected Software
Fix
Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.