How severe is CVE-2012-4923?

CVE-2012-4923 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-4923 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4923?

CVE-2012-4923 affects Endian Firewall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-4923?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-4923 published?

CVE-2012-4923 was published on 2012-09-15 and last updated on 2026-06-16.

CVE-2012-4923

CVE-2012-4923 is a medium-severity vulnerability in Endian Firewall with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Endian Firewall
Published: 2012-09-15
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2012-4923?: 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.
How severe is CVE-2012-4923?: CVE-2012-4923 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-4923 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4923?: CVE-2012-4923 affects Endian Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-4923?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4923 published?: CVE-2012-4923 was published on 2012-09-15 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:endian:firewall:2.4:*:*:*:*:*:*:*

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