CVE-2011-5155

Help & Manual 5.5.1 Build 1296 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2011-5155. PoCs published by LiquidWorm.

AI-analyzed exploit summary This exploit demonstrates a DLL hijacking vulnerability in EC Software Help & Manual 5.5.1 Build 1296. The PoC involves placing a malicious DLL (ijl15.dll) in a network share, which gets executed when the application loads a file with specific extensions.

Description

Untrusted search path vulnerability in Help & Manual 5.5.1 Build 1296 allows local users to gain privileges via a Trojan horse ijl15.dll file in the current working directory, as demonstrated by a directory that contains a .hmxz, .hmxp, .hmskin, .hmx, .hm3, .hpj, .hlp, or .chm file. NOTE: some of these details are obtained from third party information.

Exploits (1)

exploitdb WORKING POC VERIFIED
by LiquidWorm · cremotewindows
https://www.exploit-db.com/exploits/35614

This exploit demonstrates a DLL hijacking vulnerability in EC Software Help & Manual 5.5.1 Build 1296. The PoC involves placing a malicious DLL (ijl15.dll) in a network share, which gets executed when the application loads a file with specific extensions.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: EC Software Help & Manual 5.5.1 Build 1296
No auth needed
Prerequisites: Network share access · Victim must open a file with vulnerable extensions (hmxz, hmxp, hmskin, hmx, hm3, hpj, hlp, chm)
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/44170

Scores

EPSS 0.0069
EPSS Percentile 47.7%

Details

Status published
Products (1)
helpandmanual/help_\&_manual 5.5.1
Published Sep 06, 2012
Tracked Since Feb 18, 2026