CVE-2005-4557

EXPLOITED

IceWarp Web Mail <5.5.1 - Path Traversal

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2005-4557 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including Tan Chew Keong.

AI-analyzed exploit summary The provided text describes an input-validation vulnerability in IceWarp Universal WebMail, allowing arbitrary file inclusion and local file disclosure. It includes a proof-of-concept URL demonstrating the exploit but lacks executable code.

Description

dir/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, allows remote attackers to include arbitrary local files via a null byte (%00) in the lang parameter, possibly due to a directory traversal vulnerability.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Tan Chew Keong · textwebappsphp
https://www.exploit-db.com/exploits/26981

The provided text describes an input-validation vulnerability in IceWarp Universal WebMail, allowing arbitrary file inclusion and local file disclosure. It includes a proof-of-concept URL demonstrating the exploit but lacks executable code.

Classification
Writeup 90%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Merak Mail Server 8.3.0.r, VisNetic MailServer 8.3.0 build 1
No auth needed
Prerequisites: Network access to the vulnerable webmail interface
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (9)

Core 9
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/22079
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/23897
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/17865
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/16069
Exploit, Patch, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/17046
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1015412
Mailing List mailing-list x_refsource_fulldisc
http://marc.info/?l=full-disclosure&m=113570229524828&w=2
Exploit, Vendor Advisory x_refsource_misc
http://secunia.com/secunia_research/2005-62/advisory/
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/420255/100/0/threaded

Scores

EPSS 0.0948
EPSS Percentile 94.8%

Details

VulnCheck KEV 2005-12-27
Status published
Products (3)
deerfield/visnetic_mail_server 8.3.0_build1
icewarp/web_mail 5.5.1
merak/mail_server 8.3.0r
Published Dec 28, 2005
Tracked Since Feb 18, 2026