Is CVE-2008-3821 being actively exploited?

CVE-2008-3821 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-3821?

CVE-2008-3821 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2008-3821

MEDIUM · CVSS 4.3EPSS 5.4%EU EUVD

Multiple cross-site scripting (XSS) vulnerabilities in the HTTP server in Cisco IOS 11.0 through 12.4 allow remote attackers to inject arbitrary web script or HTML via (1) the query string to the ping program or (2) unspecified other aspects of the URI.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-79
EPSS score: 5.4% (93th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-3807)
Published: January 16, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-3807 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

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References

http://jvn.jp/en/jp/JVN28344798/index.html(Third Party Advisory, VDB Entry)
http://osvdb.org/51393(Broken Link)
http://osvdb.org/51394(Broken Link)
http://secunia.com/advisories/33461(Third Party Advisory)
http://securityreason.com/securityalert/4916(Third Party Advisory)
http://securitytracker.com/id?1021598(Third Party Advisory, VDB Entry)
http://www.cisco.com/en/US/products/products_security_response09186a0080a5c501.html(Vendor Advisory)
http://www.procheckup.com/vulnerability_manager/vulnerabilities/pr08-19(Exploit)
http://www.securityfocus.com/archive/1/500063/100/0/threaded
http://www.securityfocus.com/bid/33260(Third Party Advisory, VDB Entry)
http://www.vupen.com/english/advisories/2009/0138(Not Applicable)
https://exchange.xforce.ibmcloud.com/vulnerabilities/47947(Third Party Advisory, VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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