CVE-1999-1157
Tcpip.sys in Windows NT 4.0 before SP4 allows remote attackers to cause a denial of service via...
Tcpip.sys in Windows NT 4.0 before SP4 allows remote attackers to cause a denial of service via an ICMP Subnet Mask Address Request packet, when certain multiple IP addresses are bound to the same network interface.
Exploit likelihood
What each source reports
NVD Score used
Tcpip.sys in Windows NT 4.0 before SP4 allows remote attackers to cause a denial of service via an ICMP Subnet Mask Address Request packet, when certain multiple IP addresses are bound to the same network interface.
- Record
CVE-1999-1157- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
Tcpip.sys in Windows NT 4.0 before SP4 allows remote attackers to cause a denial of service via an ICMP Subnet Mask Address Request packet, when certain multiple IP addresses are bound to the same network interface.
- Record
CVE-1999-1157- Updated
- 2026-11-02
EUVDEUVD-1999-1138 No score
Tcpip.sys in Windows NT 4.0 before SP4 allows remote attackers to cause a denial of service via an ICMP Subnet Mask Address Request packet, when certain multiple IP addresses are bound to the same network interface.
- Record
EUVD-1999-1138- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2pvc-9pxf-rw8p No score
Tcpip.sys in Windows NT 4.0 before SP4 allows remote attackers to cause a denial of service via...
Tcpip.sys in Windows NT 4.0 before SP4 allows remote attackers to cause a denial of service via an ICMP Subnet Mask Address Request packet, when certain multiple IP addresses are bound to the same network interface.
- Record
GHSA-2pvc-9pxf-rw8p- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-1157 is a medium vulnerability (CVSS 5.0) in Microsoft Windows Nt, published December 31, 1999. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 13.3%, the 96th percentile. No source names a fixed version.