CVE-2006-4909

CVE-2006-4909 is a low-severity vulnerability in Cisco Guard Ddos Mitigation Appliance with a CVSS 2.0 base score of 2.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Cross-site scripting (XSS) vulnerability in Cisco Guard DDoS Mitigation Appliance before 5.1(6), when anti-spoofing is enabled, allows remote attackers to inject arbitrary web script or HTML via certain character sequences in a URL that are not properly handled when the appliance sends a meta-refresh.

Frequently asked questions

What is CVE-2006-4909?
Cross-site scripting (XSS) vulnerability in Cisco Guard DDoS Mitigation Appliance before 5.1(6), when anti-spoofing is enabled, allows remote attackers to inject arbitrary web script or HTML via certain character sequences in a URL that are not properly handled when the appliance sends a meta-refresh.
How severe is CVE-2006-4909?
CVE-2006-4909 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-2006-4909 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4909?
CVE-2006-4909 affects Cisco Guard Ddos Mitigation Appliance. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-4909?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4909 published?
CVE-2006-4909 was published on 2006-09-21 and last updated on 2026-06-16.

References

Affected products (1)