How severe is CVE-2006-6405?

CVE-2006-6405 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2006-6405 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6405?

CVE-2006-6405 affects Softwin Bitdefender Mail Protection. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-6405?

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

When was CVE-2006-6405 published?

CVE-2006-6405 was published on 2006-12-10 and last updated on 2026-06-16.

CVE-2006-6405

CVE-2006-6405 is a medium-severity vulnerability in Softwin Bitdefender Mail Protection 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: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Softwin Bitdefender Mail Protection
Published: 2006-12-10
Last modified: 2026-06-16

Description

BitDefender Mail Protection for SMB 2.0 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-2006-6405?: BitDefender Mail Protection for SMB 2.0 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-2006-6405?: CVE-2006-6405 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-6405 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6405?: CVE-2006-6405 affects Softwin Bitdefender Mail Protection. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-6405?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-6405 published?: CVE-2006-6405 was published on 2006-12-10 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:softwin:bitdefender_mail_protection:2.0:*:smb:*:*:*:*:*

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