MEDIUM
FreeBSD 4.x through 4.11 and 5.x through 5.4 allows remote attackers to modify certain TCP options via a TCP packet with the SYN flag set for an already established session
Published Jun 30, 2005
5.0
MEDIUMCVSS 2.0
EPSS 1.08%
Description
FreeBSD 4.x through 4.11 and 5.x through 5.4 allows remote attackers to modify certain TCP options via a TCP packet with the SYN flag set for an already established session.
Affected products
No data.
OR
- 4.0
- 4.1
- 4.1.1
- 4.2
- 4.3
- 4.4
- 4.5
- 4.6
- 4.6.2
- 4.7
- 4.8
- 4.9
- 4.10
- 4.11
- 5.0
- 5.1
- 5.2
- 5.2.1
- 5.3
- 5.4
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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.08% 0.01081
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01081
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.08% (0.01081) | 63.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.08% (0.01081) | 60.65th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.34% (0.00336) | 54.29th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.26% (0.00262) | 66.47th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.16% (0.00159) | 51.79th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.14% (0.00135) | 47.66th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.12% (0.00122) | 45.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00264) | 62.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (1)
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:15.tcp.asc vendor-advisoryx_refsource_FREEBSD
| Link | Providers | Tags |
|---|---|---|
| ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:15.tcp.asc | vendor-advisoryx_refsource_FREEBSD |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner freebsd
Published Jun 30, 2005
Updated Sep 16, 2024
Reserved Jun 29, 2005
Link CVE-2005-2068
CISA Vulnrichment
Updated n/a