Priority reviewCritical

CVE-2021-44596

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

CVSS: 9.8
EPSS: 22.9%
CISA KEV: Not listed
Published: 2022.04.29

PRIORITY ASSESSMENT

Priority review

FIRST EPSS indicates an elevated probability of exploitation.

Known exploitationNot established by KEV

Exploit probability22.9%

Technical severityCVSS 9.8

Vulnerability overview

Affected product and versions

Product: dr.fone
Affected versions: 2021-12-06
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that dr.fone and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: Not available