How severe is CVE-2005-4209?

CVE-2005-4209 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2005-4209 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-4209?

CVE-2005-4209 primarily affects Alt-n Mdaemon. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-4209?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2005-4209 published?

CVE-2005-4209 was published on 2005-12-13 and last updated on 2026-06-16.

CVE-2005-4209

CVE-2005-4209 is a medium-severity vulnerability in Alt-n Mdaemon with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Alt-n Mdaemon
Published: 2005-12-13
Last modified: 2026-06-16

Description

WorldClient webmail in Alt-N MDaemon 8.1.3 allows remote attackers to prevent arbitrary users from accessing their inboxes via script tags in the Subject header of an e-mail message, which prevents the user from being able to access the Inbox folder, possibly due to a cross-site scripting (XSS) vulnerability.

Frequently asked questions

What is CVE-2005-4209?: WorldClient webmail in Alt-N MDaemon 8.1.3 allows remote attackers to prevent arbitrary users from accessing their inboxes via script tags in the Subject header of an e-mail message, which prevents the user from being able to access the Inbox folder, possibly due to a cross-site scripting (XSS) vulnerability.
How severe is CVE-2005-4209?: CVE-2005-4209 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2005-4209 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4209?: CVE-2005-4209 primarily affects Alt-n Mdaemon. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-4209?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-4209 published?: CVE-2005-4209 was published on 2005-12-13 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:alt-n:mdaemon:8.1.3:*:*:*:*:*:*:*
cpe:2.3:a:alt-n:worldclient:8.1.3:*:*:*:*:*:*:*

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CVE-2006-2646 — High (CVSS 7.5): Buffer overflow in Alt-N MDaemon, possibly 9.0.1 and earlier, allows remote attackers to execute arbitrary code via a…
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CVE-2003-1200 — High (CVSS 7.5): Stack-based buffer overflow in FORM2RAW.exe in Alt-N MDaemon 6.5.2 through 6.8.5 allows remote attackers to execute…

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