CVE-2005-4559

No known exploitation. EPSS puts it in the 95th percentile. A vendor fix is available.

CVSS 2.05.0Medium EPSS percentile95th8.6% chance in 30 days CISA KEVNot listedNo confirmed exploitation
No public exploit known FixVendor fixNo build named by the sources

Published 2005-12-28Updated 2026-04-16Sources: CVE.org, NVD

NVD CVE.org

What to do

The vendor has published a fix. Version details are below where the sources state them.

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

mail/include.html in IceWarp Web Mail 5.5.1, as used by Merak Mail Server 8.3.0r and VisNetic Mail Server version 8.3.0 build 1, does not properly initialize the default_layout and layout_settings variables when an unrecognized HTTP_USER_AGENT string is provided, which allows remote attackers to access arbitrary files via a request with an unrecognized User Agent that also specifies the desired default_layout and layout_settings parameters.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS95th

CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

8.6% chance of exploitation activity in the next 30 days, which ranks it in the 95th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

5 events over 7484 days, from the signal feeds we watch.

2026-06-25OpenVAS check added
2026-04-16Patch availablerecord updated
2005-12-28Publishedweakness classified

Affected products

deerfieldaka mdaemon, visnetic mail server, visnetic website
- visnetic mail serverOn-premCommunications / email-server-client
icewarpcommercialaka icewarp web mail, icewarp mail server
- web mailWeb AppOn-premCommunications / email-server-client
merakcommercial
- mail serverOn-premCommunications / email-server-client

And 1 more affected product. See all after sign-in

Technical detail

CVSS 2.0 vector

Open in the CVSS calculator

AV:N/AC:L/Au:N/C:P/I:N/A:N

Scored 5.0 by NVD.

How it is reached

Access Vector NetworkExploitable remotely over the network
Access Complexity LowNo special conditions required
Authentication NoneNo authentication required

Impact if exploited

Confidentiality PartialSome information is disclosed
Integrity NoneNo integrity impact
Availability NoneNo availability impact

Weaknesses

NVD-CWE-OtherNo name in the record

Sources

References in the record

And 7 more references. See all after sign-in

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