How severe is CVE-2005-0431?

CVE-2005-0431 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2005-0431 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-0431?

CVE-2005-0431 affects Barracuda Networks Barracuda Spam Firewall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-0431?

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-2005-0431 published?

CVE-2005-0431 was published on 2005-05-02 and last updated on 2026-06-16.

CVE-2005-0431

CVE-2005-0431 is a high-severity vulnerability in Barracuda Networks Barracuda Spam Firewall 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

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Barracuda Networks Barracuda Spam Firewall
Published: 2005-05-02
Last modified: 2026-06-16

Description

Barracuda Spam Firewall 3.1.10 and earlier does not restrict the domains that white-listed domains can send mail to, which allows members of white-listed domains to use Barracuda as an open mail relay for spam.

Frequently asked questions

What is CVE-2005-0431?: Barracuda Spam Firewall 3.1.10 and earlier does not restrict the domains that white-listed domains can send mail to, which allows members of white-listed domains to use Barracuda as an open mail relay for spam.
How severe is CVE-2005-0431?: CVE-2005-0431 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-0431 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0431?: CVE-2005-0431 affects Barracuda Networks Barracuda Spam Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-0431?: 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-2005-0431 published?: CVE-2005-0431 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:h:barracuda_networks:barracuda_spam_firewall:3.1.10:*:*:*:*:*:*:*

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