CVE-2006-6291

Stack overflow in the IMAP module (MEIMAPS.EXE) in MailEnable Professional 1.6 through 1.83 and 2.0 through 2.33, and MailEnable Enterprise 1.1 through 1.40 and 2.0 through 2.33, allows remote authenticated users to cause a denial of service (crash) via a long argument containing * (asterisk) and ? (question mark) characters to the DELETE command, as addressed by the ME-10020 hotfix.

Published: 2006-12-05 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-6291 is rated Moderate Risk (55.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.46%). Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2006-6291

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 2025-12-29 1.22% 1.46% +0.24%
2 2025-07-24 1.28% 1.22% -0.06%
3 2025-03-30 — 1.28% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-6291

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/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:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.0 6.9 [email protected]

Weakness enumeration for CVE-2006-6291

OS Trackers for CVE-2006-6291

vendor priority summary link
alpine — CVE-2006-6291: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-6291

Affected software / configurations for CVE-2006-6291

Vendor Product Version Raw CPE
mailenable mailenable >= 1.1, <= 1.40 cpe:2.3:a:mailenable:mailenable:*:*:*:*:enterprise:*:*:*
mailenable mailenable >= 1.6, <= 1.83 cpe:2.3:a:mailenable:mailenable:*:*:*:*:professional:*:*:*
mailenable mailenable >= 2.0, <= 2.33 cpe:2.3:a:mailenable:mailenable:*:*:*:*:enterprise:*:*:*
mailenable mailenable >= 2.0, <= 2.33 cpe:2.3:a:mailenable:mailenable:*:*:*:*:professional:*:*:*

References for CVE-2006-6291

cvelogic Threat Intelligence