CVE-2021-44596Dr.fone Vulnerability
Wondershare LTD Dr.
Published Apr 29, 2022 · Updated Jul 9, 2026
Key Facts
Patch immediately- CVE-2021-44596 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Dr.fone (Wondershare).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 23% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
23%
Higher than 97.7% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
41/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
- advisoryhttp://wondershare.com
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
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Dr.foneWondershare | 2021-12-06 | n/a |
Timeline
Publicly disclosed
Apr 29, 2022
Last updated
Jul 9, 2026
References
- advisorywondershare.com
- exploitpacketstormsecurity.com · Wondershare-Dr.Fone-12.0.7-Privilege-Escalation…
- exploitExploitDB-50913
- otherdr.com
- othermedium.com · wondershell-a82372914f26
FAQ
Common Questions.
Wondershare LTD Dr.
Affected: Dr.fone (Wondershare) versions 2021-12-06. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2021-44596 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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