How severe is CVE-2006-6407?

CVE-2006-6407 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2006-6407 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6407?

CVE-2006-6407 affects F-prot F-prot Antivirus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-6407?

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

When was CVE-2006-6407 published?

CVE-2006-6407 was published on 2006-12-10 and last updated on 2026-06-16.

CVE-2006-6407

CVE-2006-6407 is a medium-severity vulnerability in F-prot F-prot Antivirus with a CVSS 2.0 base score of 5.0. 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 5.0)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: F-prot F-prot Antivirus
Published: 2006-12-10
Last modified: 2026-06-16

Description

F-Prot Antivirus for Linux x86 Mail Servers 4.6.6 allows remote attackers to bypass virus detection by inserting invalid characters into base64 encoded content in a multipart/mixed MIME file, as demonstrated with the EICAR test file.

Frequently asked questions

What is CVE-2006-6407?: F-Prot Antivirus for Linux x86 Mail Servers 4.6.6 allows remote attackers to bypass virus detection by inserting invalid characters into base64 encoded content in a multipart/mixed MIME file, as demonstrated with the EICAR test file.
How severe is CVE-2006-6407?: CVE-2006-6407 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-6407 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6407?: CVE-2006-6407 affects F-prot F-prot Antivirus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-6407?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-6407 published?: CVE-2006-6407 was published on 2006-12-10 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:f-prot:f-prot_antivirus:4.6.6:*:linux_x85_mail_servers:*:*:*:*:*

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