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CVE-2006-1651
Microsoft ISA Server 2004 allows remote attackers to bypass certain filtering rules, including ones for (1) ICMP and (2) TCP, via IPv6…
High7.5EPSS 15.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Microsoft ISA Server 2004 allows remote attackers to bypass certain filtering rules, including ones for (1) ICMP and (2) TCP, via IPv6 packets. NOTE: An established researcher has disputed this issue, saying that "Neither ISA Server 2004 nor Windows 2003 Basic Firewall support IPv6 filtering ... This is different network protocol.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 15.0% · top 3.3% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (4)
- 20060403 Bypassing ISA Server 2004 with IPv6 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20060404 Re: Bypassing ISA Server 2004 with IPv6 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20060405 Re: Re: Bypassing ISA Server 2004 with IPv6 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20060410 Re: Bypassing ISA Server 2004 with IPv6 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_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-2006-1651)Record last updated .