CVE-2005-2317

CVE-2005-2317 is a high-severity vulnerability in Shorewall with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Shorewall 2.4.x before 2.4.1, 2.2.x before 2.2.5, and 2.0.x before 2.0.17, when MACLIST_TTL is greater than 0 or MACLIST_DISPOSITION is set to ACCEPT, allows remote attackers with an accepted MAC address to bypass other firewall rules or policies.

Frequently asked questions

What is CVE-2005-2317?
Shorewall 2.4.x before 2.4.1, 2.2.x before 2.2.5, and 2.0.x before 2.0.17, when MACLIST_TTL is greater than 0 or MACLIST_DISPOSITION is set to ACCEPT, allows remote attackers with an accepted MAC address to bypass other firewall rules or policies.
How severe is CVE-2005-2317?
CVE-2005-2317 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-2317 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-2317?
CVE-2005-2317 primarily affects Shorewall. In total, 36 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-2317?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-2317 published?
CVE-2005-2317 was published on 2005-07-19 and last updated on 2026-06-16.

References

Affected products (36)

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