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Vulnerability record · CVE-2021-44596 · published 29 April 2022

CVE-2021-44596: Wondershare dr.fone vulnerability

Wondershare · Dr.Fone

Wondershare LTD Dr. Fone as of 2021-12-06 version is affected by Remote code execution. Due to software design flaws an unauthenticated user can communicate over UDP with the "InstallAssistService.exe" service(the service is running under SYSTEM privileges) and manipulate it to execute malicious executable without any validation from a remote location and gain SYSTEM privileges

9.8 CVSS 3.1 Critical EPSS 23% · top 2.3%
9.8CVSS 3.1 base score, v2 10.0
23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
9 Jul 2026Last modified by NVD

Description

Wondershare LTD Dr. Fone as of 2021-12-06 version is affected by Remote code execution. Due to software design flaws an unauthenticated user can communicate over UDP with the "InstallAssistService.exe" service(the service is running under SYSTEM privileges) and manipulate it to execute malicious executable without any validation from a remote location and gain SYSTEM privileges

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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
http://packetstormsecurity.com/files/167035/Wondershare-Dr.Fone-12.0.7-Privilege-Escalation.html ExploitThird Party AdvisoryVDB Entry
https://medium.com/@tomerp_77017/wondershell-a82372914f26
http://packetstormsecurity.com/files/167035/Wondershare-Dr.Fone-12.0.7-Privilege-Escalation.html ExploitThird Party AdvisoryVDB Entry
https://medium.com/%40tomerp_77017/wondershell-a82372914f26

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Related vulnerabilities

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

8.8CVE-2021-44595Wondershare dr.fone missing authorization vulnerabilityWondershare Dr. Fone Latest version as of 2021-12-06 is vulnerable to Incorrect Access Control. A normal user can send manually crafted packets to th…EPSS 21%8.5CVE-2022-50900Wondershare dr.fone unquoted search path vulnerabilityWondershare Dr.Fone 12.0.18 contains an unquoted service path vulnerability that allows local users to execute arbitrary code with elevated system pr…EPSS 0.24%8.5CVE-2022-50901Wondershare dr.fone unquoted search path vulnerabilityWondershare Dr.Fone 11.4.9 contains an unquoted service path vulnerability in the DFWSIDService that allows local users to potentially execute arbitr…EPSS 0.26%7.8CVE-2023-29835Wondershare dr.fone vulnerabilityInsecure Permission vulnerability found in Wondershare Dr.Fone v.12.9.6 allows a remote attacker to escalate privileges via the service permission fu…EPSS 0.38%7.8CVE-2023-27767Wondershare dr.fone untrusted search path vulnerabilityAn issue found in Wondershare Technology Co.,Ltd Dr.Fone v.12.4.9 allows a remote attacker to execute arbitrary commands via the drfone_setup_full336…EPSS 0.43%7.8CVE-2023-27010Wondershare dr.fone execution with unnecessary privileges vulnerabilityWondershare Dr.Fone v12.9.6 was discovered to contain weak permissions for the service WsDrvInst. This vulnerability allows attackers to escalate pri…EPSS 1.0%7.8CVE-2020-27992Wondershare dr.fone incorrect permission assignment vulnerabilityDr.Fone 3.0.0 allows local users to gain privileges via a Trojan horse DriverInstall.exe because %PROGRAMFILES(X86)%\Wondershare\dr.fone\Library\Driv…EPSS 0.43%

Source: NIST National Vulnerability Database (record CVE-2021-44596), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.