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Fencer Intel
medium 4.3

CVE-2012-4923 json

Multiple cross-site scripting (XSS) vulnerabilities in Endian Firewall 2.4 allow remote attackers to inject arbitrary web script or HTML vi…

published 2012-09-15 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4848

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
3
Exploit-DB

Summary

Multiple cross-site scripting (XSS) vulnerabilities in Endian Firewall 2.4 allow remote attackers to inject arbitrary web script or HTML via the (1) createrule parameter to dnat.cgi, (2) addrule parameter to dansguardian.cgi, or (3) PATH_INFO to openvpn_users.cgi.

Timeline

  1. First public exploit (EDB-36833)
  2. Published

Exploit prediction

1.83% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-36833 Endian Firewall 2.4 - 'dansguardian.cgi?addrule' Cross-Site Scripting remote, 2012-02-27
  • EDB-36832 Endian Firewall 2.4 - 'dnat.cgi?createrule' Cross-Site Scripting remote, 2012-02-27
  • EDB-36831 Endian Firewall 2.4 - 'openvpn_users.cgi?PATH_INFO' Cross-Site Scripting remote, 2012-02-27
  • securityfocus.com http://www.securityfocus.com/bid/52076 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.org http://packetstormsecurity.org/files/109942/Endian-UTM-Firewall-2.4.x-Cross-Site-Scripting.html 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

References

Sources

Fencer Intel 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.