CVE-1999-1463 json
Windows NT 4.0 before SP3 allows remote attackers to bypass firewall restrictions or cause a denial of service (crash) by sending improperl…
published 1997-07-10 29 y ago modified 2026-06-16 4 mo ago also EUVD-1999-1444
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 16.6%
- EPSS 16.6% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
Windows NT 4.0 before SP3 allows remote attackers to bypass firewall restrictions or cause a denial of service (crash) by sending improperly fragmented IP packets without the first fragment, which the TCP/IP stack incorrectly reassembles into a valid session.
Patch / fix
- securityfocus.com/archive/1/7219 advisory
Exploit prediction
16.61% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- securityfocus.com http://www.securityfocus.com/archive/1/7219 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
securityfocus.com
/archive/1/7219
mailing-list, exploit, patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/528
vdb-entry
Sources
- CVE List CVE-1999-1463
- NVD CVE-1999-1463
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