Listening TCP ports are sequentially allocated, allowing spoofing attacks.
Priority LOW 39Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Listening TCP ports are sequentially allocated, allowing spoofing attacks.
Why it matters now
EPSS 0.08332 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:6.2:stable:*:*:*:*:*:* | 6.2 stable | Vulnerable | FreeBSD |
| cpe:2.3:o:linux:linux_kernel:2.6.20.1:*:*:*:*:*:*:* | 2.6.20.1 | Vulnerable | Linux |
| cpe:2.3:o:microsoft:windows_nt:*:*:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:netbsd:netbsd:2.0.4:*:*:*:*:*:*:* | 2.0.4 | Vulnerable | NetBSD |
- cpe:2.3:o:freebsd:freebsd:6.2:stable:*:*:*:*:*:* Versions 6.2 stable Vulnerable ·FreeBSD
- cpe:2.3:o:linux:linux_kernel:2.6.20.1:*:*:*:*:*:*:* Versions 2.6.20.1 Vulnerable ·Linux
- cpe:2.3:o:microsoft:windows_nt:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:netbsd:netbsd:2.0.4:*:*:*:*:*:*:* Versions 2.0.4 Vulnerable ·NetBSD
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-1999-0074
- 2026-10-03 Alias added: GHSA-7qp7-f5x7-qpg3
References
Sources
- CVE-1999-0074 · CVE Program
- CVE-1999-0074 · NVD
- FIRST EPSS
- GHSA-7qp7-f5x7-qpg3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences