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CVE-2006-4911

7.5 · HIGH

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 seq…

Published Sep 21, 2006ciscoEPSS 4.21%

Overview

CVE-2006-4911 is a high-severity vulnerability affecting cisco ips_sensor_software. It was published on September 21, 2006 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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".

Remediation

Check the references section for vendor advisories and patches from cisco. Update ips_sensor_software 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
ciscoips_sensor_software>= 5.0, < 5.0\(6p2\)Affected

References

Refsecunia.com/advisories/22022Refsecuritytracker.com/id?1016891Refwww.cisco.com/warp/public/707/cisco-sa-20060920-ips.shtmlRefwww.kb.cert.org/vuls/id/658884Refwww.osvdb.org/29036Refwww.securityfocus.com/bid/20127Refwww.vupen.com/english/advisories/2006/3721Refexchange.xforce.ibmcloud.com/vulnerabilities/29058Refsecunia.com/advisories/22022Refsecuritytracker.com/id?1016891

How CyberStrike helps

Frequently asked questions

What is CVE-2006-4911?

CVE-2006-4911 is a high-severity vulnerability affecting cisco ips_sensor_software. It was published on September 21, 2006 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2006-4911?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2006-4911?

Check the references section for vendor advisories and patches from cisco. Update ips_sensor_software 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-2006-4911?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-4911 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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