Back
CVE-2005-3675
The Transmission Control Protocol (TCP) allows remote attackers to cause a denial of service (bandwidth consumption) by sending ACK…
High7.8EPSS 2.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The Transmission Control Protocol (TCP) allows remote attackers to cause a denial of service (bandwidth consumption) by sending ACK messages for packets that have not yet been received (optimistic ACKs), which can cause the sender to increase its transmission rate until it fills available bandwidth.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 2.3% · top 17% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (4)
- VU#102014 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- http://www.cs.umd.edu/~capveg/optack/optack-extended.pdf (opens in a new tab)x_refsource_MISCx_transferred
- tcp-congestion-control-dos(23055) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 15468 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2005-3675)Record last updated .