Is CVE-2006-4379 in the CISA KEV catalog?

No. CVE-2006-4379 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2006-4379?

CVE-2006-4379 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2006-4379?

CVE-2006-4379 has an EPSS score of 60.04% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2006-4379

HIGHEPSS 99th pctl

7.5

CVSS v2

NVD

Description

Stack-based buffer overflow in the SMTP Daemon in Ipswitch Collaboration 2006 Suite Premium and Standard Editions, IMail, IMail Plus, and IMail Secure allows remote attackers to execute arbitrary code via a long string located after an '@' character and before a ':' character.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

60.04%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

http://secunia.com/advisories/21795
http://securitytracker.com/id?1016803
http://securitytracker.com/id?1016804
http://www.ipswitch.com/support/ics/updates/ics20061.asp
http://www.ipswitch.com/support/imail/releases/im20061.asp
http://www.securityfocus.com/archive/1/445521/100/0/threaded
http://www.securityfocus.com/bid/19885
http://www.vupen.com/english/advisories/2006/3496
http://www.zerodayinitiative.com/advisories/ZDI-06-028.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/28789

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.