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Fencer Intel
critical 9.8

CVE-2021-44596 in the critical feed json

Wondershare LTD Dr. Fone as of 2021-12-06 version is affected by Remote code execution. Due to software design flaws an unauthenticated use…

published 4y ago modified 4mo ago also EUVD-2021-31419

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
22.9%
EPSS 22.9% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

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

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Timeline

  1. Published
  2. First public exploit (EDB-50913)

Exploit prediction

22.93% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-50913 Wondershare Dr.Fone 12.0.7 - Remote Code Execution (RCE) remote, 2022-05-11
  • packetstormsecurity.com http://packetstormsecurity.com/files/167035/Wondershare-Dr.Fone-12.0.7-Privilege-Escalation.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.