CVE-2005-1255

Exp

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.

Published: 2005-05-25 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-1255 is rated High Exploit Risk (93.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 16.79%, 95th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +10.49% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2005-1255

EDB-ID Source Kind Published Link
3627 exploit_db edb 2007-04-01 Exploit-DB ↗
1124 exploit_db edb 2005-08-01 Exploit-DB ↗
1035 exploit_db edb 2005-06-07 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2005-1255

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-14 6.30% 16.79% +10.49%
2 2025-06-23 7.78% 6.30% -1.48%
3 2025-06-04 7.78%

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-1255

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2005-1255

Affected software / configurations for CVE-2005-1255

Vendor Product Version Raw CPE
ipswitch imail 8.12 cpe:2.3:a:ipswitch:imail:8.12:*:*:*:*:*:*:*
ipswitch imail 8.13 cpe:2.3:a:ipswitch:imail:8.13:*:*:*:*:*:*:*
ipswitch imail_server <= 8.2_hotfix_2 cpe:2.3:a:ipswitch:imail_server:*:*:*:*:*:*:*:*
ipswitch ipswitch_collaboration_suite cpe:2.3:a:ipswitch:ipswitch_collaboration_suite:*:*:*:*:*:*:*:*

References for CVE-2005-1255

cvelogic Threat Intelligence