CVE-2005-1255

CVE-2005-1255 is a critical-severity vulnerability in Ipswitch Imail with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 43% places it in the 99th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Multiple stack-based buffer overflows in the IMAP server in IMail 8.12 and 8.13 in Ipswitch Collaboration Suite (ICS), and other versions before IMail Server 8.2 Hotfix 2, allow remote attackers to execute arbitrary code via a LOGIN command with (1) a long username argument or (2) a long username argument that begins with a special character.

Frequently asked questions

What is CVE-2005-1255?
Multiple stack-based buffer overflows in the IMAP server in IMail 8.12 and 8.13 in Ipswitch Collaboration Suite (ICS), and other versions before IMail Server 8.2 Hotfix 2, allow remote attackers to execute arbitrary code via a LOGIN command with (1) a long username argument or (2) a long username argument that begins with a special character.
How severe is CVE-2005-1255?
CVE-2005-1255 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2005-1255 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-1255?
CVE-2005-1255 primarily affects Ipswitch Imail. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-1255?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2005-1255 published?
CVE-2005-1255 was published on 2005-05-25 and last updated on 2026-06-16.

References

Affected products (4)

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