CVE-2006-4911

HIGH 7.5CVE-2006-4911 · Published 21/09/2006 · updated 16/06/2026

In short

CVE-2006-4911 is a HIGH (CVSS 7.5) vulnerability affecting ips sensor software (cisco).
Chance of exploitation in the next 30 days (EPSS): 4.3%, higher than 91.2% of all vulnerabilities.
Fix: update to 5.0\(6p2\), 5.1\(2\) or later.

Package	Affected versions	Patched versions
ips sensor software cisco	`≥ 5.0, < 5.0\(6p2\)≥ 5.1, < 5.1\(2\)`	`5.0\(6p2\)5.1\(2\)`

Description

Unspecified vulnerability in Cisco IPS 5.0 before 5.0(6p2) and 5.1 before 5.1(2), when running in inline or promiscuous mode, allows remote attackers to bypass traffic inspection via a "crafted sequence of fragmented IP packets".

References

secunia.com/advisories/22022 · Third Party Advisory
securitytracker.com/id · Third Party Advisory
cisco.com/warp/public/707/cisco-sa-20060920-ips.shtml · Vendor Advisory
kb.cert.org/vuls/id/658884 · Third Party Advisory
osvdb.org/29036 · Broken Link
securityfocus.com/bid/20127 · Third Party Advisory
vupen.com/english/advisories/2006/3721 · Permissions Required
exchange.xforce.ibmcloud.com/vulnerabilities/29058 · Third Party Advisory

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Package

Affected versions

Patched versions

ips sensor software

cisco

≥ 5.0, < 5.0\(6p2\)≥ 5.1, < 5.1\(2\)

5.0\(6p2\)5.1\(2\)

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