CVE-2006-5545

VendorsymantecProductmail securityDiscoveredOct 26, 2006UpdatedApr 23, 2026

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.

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CVSS v3.1

—

EPSS

2.00%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

EPSS Trend

Aug 16, 2026 → Sep 24, 2026

● 0.01pp

1.99% → 2.00% over 2 tracked changes

Connections

1 relationships

mail security

source

Timeline

disclosure → media coverage

Oct 26, 2006

Disclosure — published as a CVE record. · last revised by NVD Apr 23, 2026