CVE-1999-0454
A remote attacker can sometimes identify the operating system of a host based on how it reacts to...
A remote attacker can sometimes identify the operating system of a host based on how it reacts to some IP or ICMP packets, using a tool such as nmap or queso.
Exploit likelihood
What each source reports
NVD Score used
10.0
A remote attacker can sometimes identify the operating system of a host based on how it reacts to some IP or ICMP packets, using a tool such as nmap or queso.
- Record
CVE-1999-0454- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
A remote attacker can sometimes identify the operating system of a host based on how it reacts to some IP or ICMP packets, using a tool such as nmap or queso.
- Record
CVE-1999-0454- Updated
- 2026-11-02
EUVDEUVD-1999-0454 No score
A remote attacker can sometimes identify the operating system of a host based on how it reacts to some IP or ICMP packets, using a tool such as nmap or queso.
- Record
EUVD-1999-0454- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h9fp-2pjq-92gw No score
A remote attacker can sometimes identify the operating system of a host based on how it reacts to...
A remote attacker can sometimes identify the operating system of a host based on how it reacts to some IP or ICMP packets, using a tool such as nmap or queso.
- Record
GHSA-h9fp-2pjq-92gw- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-0454 is a high vulnerability (CVSS 10.0), published January 1, 1999. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.71%, the 86th percentile. No source names a fixed version.