CVE-2005-2068
FreeBSD 4.x through 4.11 and 5.x through 5.4 allows remote attackers to modify certain TCP...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2005-2068- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2005-2068- Updated
- 2026-11-02
EUVDEUVD-2005-2070 No score
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.
- Record
EUVD-2005-2070- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4758-ghm6-m66x No score
FreeBSD 4.x through 4.11 and 5.x through 5.4 allows remote attackers to modify certain TCP...
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.
- Record
GHSA-4758-ghm6-m66x- Updated
- 2026-11-02
Affected products
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-2005-2068 is a medium vulnerability (CVSS 5.0) in Freebsd, published June 30, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.08%, the 65th percentile. No source names a fixed version.