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CVE-2006-1966

5.0 · MEDIUM

An unspecified Fortinet product, possibly Fortinet28, allows remote attackers to cause a denial of service via a "small synflood" to the SMTP port (TCP port 25), as demonstrated by a 10-microsecond…

Published Apr 21, 2006fortinetEPSS 1.57%

Overview

CVE-2006-1966 is a medium-severity vulnerability affecting fortinet fortinet28. It was published on April 21, 2006 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An unspecified Fortinet product, possibly Fortinet28, allows remote attackers to cause a denial of service via a "small synflood" to the SMTP port (TCP port 25), as demonstrated by a 10-microsecond wait between sending packets. NOTE: this issue has been disputed in followup posts that suggest that a protection feature is triggering a RST.

Remediation

Check the references section for vendor advisories and patches from fortinet. Update fortinet28 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refarchives.neohapsis.com/archives/fulldisclosure/2006-04/0449.htmlRefarchives.neohapsis.com/archives/fulldisclosure/2006-04/0472.htmlRefwww.securityfocus.com/archive/1/431404/100/0/threadedRefarchives.neohapsis.com/archives/fulldisclosure/2006-04/0449.htmlRefarchives.neohapsis.com/archives/fulldisclosure/2006-04/0472.htmlRefwww.securityfocus.com/archive/1/431404/100/0/threaded

How CyberStrike helps

Frequently asked questions

What is CVE-2006-1966?

CVE-2006-1966 is a medium-severity vulnerability affecting fortinet fortinet28. It was published on April 21, 2006 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2006-1966?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2006-1966?

Check the references section for vendor advisories and patches from fortinet. Update fortinet28 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2006-1966?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-1966 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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