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Vulnerability record · CVE-2022-44939 · published 6 January 2023

CVE-2022-44939: Echatserver easy chat server uncontrolled search path element vulnerability

EEchatserver · Easy Chat Server

Efs Software Easy Chat Server Version 3.1 was discovered to contain a DLL hijacking vulnerability via the component TextShaping.dll. This vulnerability allows attackers to execute arbitrary code via a crafted DLL.

7.8 CVSS 3.1 High EPSS 0.39% · top 69.9% CWE-427 · Uncontrolled search path element
7.8CVSS 3.1 base score
0.39%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Efs Software Easy Chat Server Version 3.1 was discovered to contain a DLL hijacking vulnerability via the component TextShaping.dll. This vulnerability allows attackers to execute arbitrary code via a crafted DLL.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/RashidKhanPathan/WindowsPrivilegeEscalation/blob/main/DLL%20Hijacking/CVE-2022-44939/Research.txt ExploitThird Party Advisory
https://github.com/RashidKhanPathan/WindowsPrivilegeEscalation/blob/main/DLL%20Hijacking/CVE-2022-44939/Research.txt ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2017-9544Echatserver easy chat server out-of-bounds write vulnerabilityThere is a remote stack-based buffer overflow (SEH) in register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1. By sending an overly long u…EPSS 24%9.3CVE-2018-25221Echatserver easy chat server out-of-bounds write vulnerabilityEChat Server 3.1 contains a buffer overflow vulnerability in the chat.ghp endpoint that allows remote attackers to execute arbitrary code by supplyin…EPSS 0.82%8.7CVE-2019-25613Echatserver easy chat server vulnerabilityEasy Chat Server 3.1 contains a denial of service vulnerability that allows remote attackers to crash the application by sending oversized data in th…EPSS 0.52%7.5CVE-2019-20502Echatserver easy chat server classic buffer overflow vulnerabilityAn issue was discovered in EFS Easy Chat Server 3.1. There is a buffer overflow via a long body2.ghp message parameter.EPSS 1.1%7.5CVE-2017-9557Echatserver easy chat server insufficiently protected credentials vulnerabilityregister.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1 allows remote attackers to discover passwords by sending the username parameter in …EPSS 1.7%7.5CVE-2017-9543Echatserver easy chat server weak password recovery vulnerabilityregister.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1 allows remote attackers to reset arbitrary passwords via a crafted POST request to …EPSS 1.3%7.8CVE-2020-3433Cisco AnyConnect Windows client DLL hijacking via IPC channelCisco AnyConnect Secure Mobility Client for Windows fails to properly validate resources loaded at run time, allowing a DLL hijacking attack through …KEVEPSS 10%analysed6.5CVE-2020-3153Cisco AnyConnect Windows Installer Path Handling Privilege EscalationThe Cisco AnyConnect Secure Mobility Client for Windows installer mishandles directory paths, letting an authenticated local user copy attacker-suppl…KEVEPSS 28%analysed

Source: NIST National Vulnerability Database (record CVE-2022-44939), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.