CVE-2008-6922

Cmailserver vulnerability

CVSS

9.3

EPSS

9.3%

EPSS pct

95th

Exploited

No known

Multiple stack-based buffer overflows in CMailCOM.dll in CMailServer 5.4.6 allow remote attackers to execute arbitrary code via a long argument to the (1) CreateUserPath, (2) Logout, (3) DeleteMailByUID, (4) MoveToInbox, (5) MoveToFolder, (6) DeleteMailEx, (7) GetMailDataEx, (8) SetReplySign, (9) SetForwardSign, and (10) SetReadSign methods, which are not properly handled by (a) the POP3 Class ActiveX control (CMailCom.POP3); or a long argument to the (11) AddAttach, (12) SetSubject, (13) SetBcc, (14) SetBody, (15) SetCc, (16) SetFrom, (17) SetTo, and (18) SetFromUID methods, which are not properly handled by the Class ActiveX control (CMailCOM.SMTP), as demonstrated via the indexOfMail parameter to mwmail.asp.

Affected vendor

Youngzsoft

Affected product

Cmailserver

CVSS vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2009-08-10

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 9.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2008-6922

Confirm whether Youngzsoft Cmailserver is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2008-6922.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-6922

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