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CVE-1999-0454

A remote attacker can sometimes identify the operating system of a host based on how it reacts to...

10.0 High

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

2.71%Up 1.7 points since Feb 4, 2022
90%50%10%1%

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 HighAV: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

History
RecordedChangedSources
aliasesEUVD
first indexedCVE 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.

References

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