How severe is CVE-2006-5721?

CVE-2006-5721 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2006-5721 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-5721?

CVE-2006-5721 affects Agnitum Outpost Firewall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-5721?

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

When was CVE-2006-5721 published?

CVE-2006-5721 was published on 2006-11-04 and last updated on 2026-06-16.

CVE-2006-5721

CVE-2006-5721 is a medium-severity vulnerability in Agnitum Outpost Firewall with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Agnitum Outpost Firewall
Published: 2006-11-04
Last modified: 2026-06-16

Description

The \Device\SandBox driver in Outpost Firewall PRO 4.0 (964.582.059) allows local users to cause a denial of service (system crash) via an invalid argument to the DeviceIoControl function that triggers an invalid memory operation.

Frequently asked questions

What is CVE-2006-5721?: The \Device\SandBox driver in Outpost Firewall PRO 4.0 (964.582.059) allows local users to cause a denial of service (system crash) via an invalid argument to the DeviceIoControl function that triggers an invalid memory operation.
How severe is CVE-2006-5721?: CVE-2006-5721 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2006-5721 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-5721?: CVE-2006-5721 affects Agnitum Outpost Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-5721?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-5721 published?: CVE-2006-5721 was published on 2006-11-04 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:agnitum:outpost_firewall:4.0:*:pro:*:*:*:*:*

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