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Fencer Vulns
medium 4.3

CVE-2008-3821 json

Multiple cross-site scripting (XSS) vulnerabilities in the HTTP server in Cisco IOS 11.0 through 12.4 allow remote attackers to inject arbi…

published 2009-01-16 17 y ago modified 2026-06-16 4 mo ago also EUVD-2008-3807

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.4%
EPSS 5.4% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-32723)
  2. Published

Exploit prediction

5.45% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-32723 Cisco IOS 12.x - HTTP Server Multiple Cross-Site Scripting Vulnerabilities remote, 2009-01-14
  • procheckup.com http://www.procheckup.com/vulnerability_manager/vulnerabilities/pr08-19 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.