CVE-2021-44596

Name: CVE-2021-44596
Creator: NVD / NIST
Published: 2022-04-29T12:15:07.823+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 22.72%

Last modified Jun 17, 2026

CVE-2021-44596 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Wondershare LTD Dr. Fone as of 2021-12-06 version is affected by Remote code execution. EPSS estimates a 22.72% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

22.72%

97.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Wondershare	Dr.Fone	2021-12-06

References

http://dr.comNot Applicable
http://packetstormsecurity.com/files/167035/Wondershare-Dr.Fone-12.0.7-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
http://wondershare.comVendor Advisory
https://medium.com/%40tomerp_77017/wondershell-a82372914f26
http://dr.comNot Applicable
http://packetstormsecurity.com/files/167035/Wondershare-Dr.Fone-12.0.7-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
http://wondershare.comVendor Advisory
https://medium.com/%40tomerp_77017/wondershell-a82372914f26

Timeline

Published: Apr 29, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44596?

How severe is CVE-2021-44596?

CVE-2021-44596 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 22.72% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44596?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-44596?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST