How severe is CVE-2021-44206?

CVE-2021-44206 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-44206 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44206?

CVE-2021-44206 primarily affects Acronis True Image. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-44206?

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

When was CVE-2021-44206 published?

CVE-2021-44206 was published on 2022-02-04 and last updated on 2026-06-17.

CVE-2021-44206

CVE-2021-44206 is a high-severity vulnerability in Acronis True Image with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-427.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 4.4
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Acronis True Image
Published: 2022-02-04
Last modified: 2026-06-17

Description

Local privilege escalation due to DLL hijacking vulnerability in Acronis Media Builder service. The following products are affected: Acronis Cyber Protect Home Office (Windows) before build 39612, Acronis True Image 2021 (Windows) before build 39287

Frequently asked questions

What is CVE-2021-44206?: Local privilege escalation due to DLL hijacking vulnerability in Acronis Media Builder service. The following products are affected: Acronis Cyber Protect Home Office (Windows) before build 39612, Acronis True Image 2021 (Windows) before build 39287
How severe is CVE-2021-44206?: CVE-2021-44206 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-44206 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44206?: CVE-2021-44206 primarily affects Acronis True Image. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-44206?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-44206 published?: CVE-2021-44206 was published on 2022-02-04 and last updated on 2026-06-17.

References

https://security-advisory.acronis.com/advisories/SEC-3058

Affected products (6)

cpe:2.3:a:acronis:true_image:2021:-:*:*:*:windows:*:*
cpe:2.3:a:acronis:true_image:2021:update_1:*:*:*:windows:*:*
cpe:2.3:a:acronis:true_image:2021:update_2:*:*:*:windows:*:*
cpe:2.3:a:acronis:true_image:2021:update_3:*:*:*:windows:*:*
cpe:2.3:a:acronis:true_image:2021:update_4:*:*:*:windows:*:*
cpe:2.3:a:acronis:cyber_protect_home_office:-:*:*:*:*:*:*:*

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