How severe is CVE-2006-5545?

CVE-2006-5545 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2006-5545 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-5545?

CVE-2006-5545 affects Symantec Mail Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-5545?

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

When was CVE-2006-5545 published?

CVE-2006-5545 was published on 2006-10-26 and last updated on 2026-06-16.

CVE-2006-5545

CVE-2006-5545 is a medium-severity vulnerability in Symantec Mail Security 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% (78th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Symantec Mail Security
Published: 2006-10-26
Last modified: 2026-06-16

Description

Premium Antispam in Symantec Mail Security for Domino Server 5.1.x before 5.1.2.28 does not filter certain SMTP address formats, which allows remote attackers to use the product as a spam relay.

Frequently asked questions

What is CVE-2006-5545?: Premium Antispam in Symantec Mail Security for Domino Server 5.1.x before 5.1.2.28 does not filter certain SMTP address formats, which allows remote attackers to use the product as a spam relay.
How severe is CVE-2006-5545?: CVE-2006-5545 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-5545 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-5545?: CVE-2006-5545 affects Symantec Mail Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-5545?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-5545 published?: CVE-2006-5545 was published on 2006-10-26 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:symantec:mail_security:5.1.0:*:domino:*:*:*:*:*

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