How severe is CVE-2021-44205?

CVE-2021-44205 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-2021-44205 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-2021-44205?

CVE-2021-44205 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-2021-44205?

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-2021-44205 published?

CVE-2021-44205 was published on 2022-02-04 and last updated on 2026-06-17.

CVE-2021-44205

CVE-2021-44205 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. 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-2021-44205?: Local privilege escalation due to DLL hijacking vulnerability. 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-2021-44205?: CVE-2021-44205 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-2021-44205 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-2021-44205?: CVE-2021-44205 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-2021-44205?: 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-2021-44205 published?: CVE-2021-44205 was published on 2022-02-04 and last updated on 2026-06-17.

References

https://security-advisory.acronis.com/advisories/SEC-3059

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:-:*:*:*:*:*:*:*

More vulnerabilities in Acronis True Image

CVE-2017-3219 — High (CVSS 8.8): Acronis True Image up to and including version 2017 Build 8053 performs software updates using HTTP. Downloaded updates…
CVE-2021-32581 — High (CVSS 8.1): Acronis True Image prior to 2021 Update 4 for Windows, Acronis True Image prior to 2021 Update 5 for Mac, Acronis Agent…
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CVE-2021-44204 — High (CVSS 7.8): Local privilege escalation via named pipe due to improper access control checks. The following products are affected:…
CVE-2021-32580 — High (CVSS 7.8): Acronis True Image prior to 2021 Update 4 for Windows allowed local privilege escalation due to DLL hijacking.

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