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CVE-1999-0240

Some filters or firewalls allow fragmented SYN packets with IP reserved bits in violation of...

7.5 High

Some filters or firewalls allow fragmented SYN packets with IP reserved bits in violation of their implemented policy.

Exploit likelihood

1.30%Up 0.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

Some filters or firewalls allow fragmented SYN packets with IP reserved bits in violation of their implemented policy.

Record
CVE-1999-0240
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

Some filters or firewalls allow fragmented SYN packets with IP reserved bits in violation of their implemented policy.

Record
CVE-1999-0240
Updated
2026-11-02
EUVDEUVD-1999-0240 No score

Some filters or firewalls allow fragmented SYN packets with IP reserved bits in violation of their implemented policy.

Record
EUVD-1999-0240
Updated
2026-11-03
GitHub AdvisoriesGHSA-9w2q-p353-cvp5 No score

Some filters or firewalls allow fragmented SYN packets with IP reserved bits in violation of...

Some filters or firewalls allow fragmented SYN packets with IP reserved bits in violation of their implemented policy.

Record
GHSA-9w2q-p353-cvp5
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-1999-0240 is a high vulnerability (CVSS 7.5), published January 1, 1999. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.30%, the 70th percentile. No source names a fixed version.

References

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