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CVE-1999-1203

Multilink PPP for ISDN dialup users in Ascend before 4.6 allows remote attackers to cause a...

5.0 Medium

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.

Exploit likelihood

1.61%Up 0.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

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.

Record
CVE-1999-1203
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

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.

Record
CVE-1999-1203
Updated
2026-11-02
EUVDEUVD-1999-1184 No score

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.

Record
EUVD-1999-1184
Updated
2026-11-03
GitHub AdvisoriesGHSA-563j-86xg-r8f7 No score

Multilink PPP for ISDN dialup users in Ascend before 4.6 allows remote attackers to cause a...

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.

Record
GHSA-563j-86xg-r8f7
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-1999-1203 is a medium vulnerability (CVSS 5.0) in Ascend Multilink Ppp For Isdn, published February 12, 1999. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.61%, the 76th percentile. No source names a fixed version.

References

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