CVE-1999-0077
Predictable TCP sequence numbers allow spoofing.
5.0 MediumPublic exploit
Predictable TCP sequence numbers allow spoofing.
Exploit likelihood
31.4%Up 28.0 points since Feb 4, 2022
What each source reports
NVD Score used
Predictable TCP sequence numbers allow spoofing.
- Record
CVE-1999-0077- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
Predictable TCP sequence numbers allow spoofing.
- Record
CVE-1999-0077- Updated
- 2026-11-02
EUVDEUVD-1999-0077 No score
Predictable TCP sequence numbers allow spoofing.
- Record
EUVD-1999-0077- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j2jv-rjg6-95m2 No score
Predictable TCP sequence numbers allow spoofing.
Predictable TCP sequence numbers allow spoofing.
- Record
GHSA-j2jv-rjg6-95m2- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Linux Kernel 2.2 - Predictable TCP Initial Sequence Number | 1999-09-27 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-0077 is a medium vulnerability (CVSS 5.0) in Microsoft Windows Nt, published January 1, 1995. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 31.4%, the 98th percentile. No source names a fixed version.