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CVE-2006-4909

12
FAUCET Score

CVE-2006-4909 describes a cross-site scripting (XSS) vulnerability in Cisco Guard DDoS Mitigation Appliance versions prior to 5.1(6) when anti-spoofing is enabled. This flaw allows remote attackers to inject arbitrary web script or HTML through specially crafted URL character sequences that are improperly handled during a meta-refresh. The vulnerability has a low CVSS score of 2.6 (AV:N/AC:H/Au:N/C:N/I:P/A:N), indicating network access, high attack complexity, no authentication required, and a partial impact on integrity. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting it is not a widely targeted or discussed vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.1\(5\)CPE matchmatch criteria
cpe:2.3:h:cisco:guard_ddos_mitigation_appliance:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.6LOW

AV:N/AC:H/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.99%
Probability of exploitation in next 30 days
EPSS Percentile
78.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0199 is in the 72nd percentile among its peer group of 1,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/21962
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/29057
cisco.com / warp/public/707/cisco-sa-20060920-guardxss.shtml
osvdb.org / 29035
securityfocus.com / bid/20122
vupen.com / english/advisories/2006/3720