How severe is CVE-2021-44596?

CVE-2021-44596 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-44596 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44596?

CVE-2021-44596 affects Wondershare Dr.fone. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44596?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-44596 published?

CVE-2021-44596 was published on 2022-04-29 and last updated on 2026-07-05.

CVE-2021-44596

CVE-2021-44596 is a critical-severity vulnerability in Wondershare Dr.fone with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 23% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 23% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Wondershare Dr.fone
Published: 2022-04-29
Last modified: 2026-07-05

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

Frequently asked questions

What is CVE-2021-44596?: 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
How severe is CVE-2021-44596?: CVE-2021-44596 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-44596 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44596?: CVE-2021-44596 affects Wondershare Dr.fone. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44596?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-44596 published?: CVE-2021-44596 was published on 2022-04-29 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:a:wondershare:dr.fone:2021-12-06:*:*:*:*:*:*:*

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