Denial of service when an attacker sends many SYN packets to create multiple connections without ever sending an ACK to complete the connection, aka SYN flood
Published Sep 29, 1999
No CVSS score
EPSS 5.62%
Description
Denial of service when an attacker sends many SYN packets to create multiple connections without ever sending an ACK to complete the connection, aka SYN flood.
Affected products
No data.
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
5.62% 0.05621
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.05621
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 5.62% (0.05621) | 92.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.52% (0.05516) | 91.76th | v5 (v2026.06.15) |
| Mar 28, 2025 | 9.04% (0.09037) | 91.86th | v4 (v2025.03.14) |
| Mar 19, 2025 | 11.06% (0.11062) | 92.55th | v4 (v2025.03.14) |
| Mar 17, 2025 | 16.21% (0.16214) | 94.33th | v4 (v2025.03.14) |
| Dec 12, 2024 | 8.20% (0.08196) | 94.62th | v3 (v2023.03.01) |
| Feb 8, 2024 | 8.20% (0.08196) | 94.13th | v3 (v2023.03.01) |
| Mar 7, 2023 | 26.62% (0.26622) | 95.98th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.19% (0.04187) | 87.39th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.19% (0.04187) | 86.11th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.19% (0.04187) | 69.86th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (2)
- ftp://patches.sgi.com/support/free/security/advisories/19961202-01-PX vendor-advisoryx_refsource_SGI
- http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/136 vendor-advisoryx_refsource_SUN
| Link | Providers | Tags |
|---|---|---|
| ftp://patches.sgi.com/support/free/security/advisories/19961202-01-PX | vendor-advisoryx_refsource_SGI | |
| http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/136 | vendor-advisoryx_refsource_SUN |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 29, 1999
Updated Aug 1, 2024
Reserved Jun 7, 1999
Link CVE-1999-0116
CISA Vulnrichment
Updated n/a