How severe is CVE-2021-32580?

CVE-2021-32580 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-32580 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32580?

CVE-2021-32580 primarily affects Acronis True Image. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-32580?

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-2021-32580 published?

CVE-2021-32580 was published on 2021-08-05 and last updated on 2026-06-17.

CVE-2021-32580

CVE-2021-32580 is a high-severity vulnerability in Acronis True Image with a CVSS 3.x base score of 7.8. 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 7.8)
CVSS v2: 4.4
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Acronis True Image
Published: 2021-08-05
Last modified: 2026-06-17

Description

Acronis True Image prior to 2021 Update 4 for Windows allowed local privilege escalation due to DLL hijacking.

Frequently asked questions

What is CVE-2021-32580?: Acronis True Image prior to 2021 Update 4 for Windows allowed local privilege escalation due to DLL hijacking.
How severe is CVE-2021-32580?: CVE-2021-32580 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-32580 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32580?: CVE-2021-32580 primarily affects Acronis True Image. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-32580?: 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-2021-32580 published?: CVE-2021-32580 was published on 2021-08-05 and last updated on 2026-06-17.

References

https://kb.acronis.com/content/68419

Affected products (4)

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:*:*

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…
CVE-2022-24115 — High (CVSS 7.8): Local privilege escalation due to unrestricted loading of unsigned libraries. The following products are affected:…
CVE-2022-24113 — High (CVSS 7.8): Local privilege escalation due to excessive permissions assigned to child processes. The following products are…
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-2021-32579 — High (CVSS 7.8): Acronis True Image prior to 2021 Update 4 for Windows and Acronis True Image prior to 2021 Update 5 for macOS allowed…

All CVEs affecting Acronis True Image →

Other CWE-427 (Uncontrolled Search Path Element) vulnerabilities

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CVE-2019-25268 — Critical (CVSS 9.8): NREL BEopt 2.8.0.0 contains a DLL hijacking vulnerability that allows attackers to load arbitrary libraries by tricking…
CVE-2023-53959 — Critical (CVSS 9.8): FileZilla Client 3.63.1 contains a DLL hijacking vulnerability that allows attackers to execute malicious code by…
CVE-2025-65741 — Critical (CVSS 9.8): Sublime Text 3 Build 3208 or prior for MacOS is vulnerable to Dylib Injection. An attacker could compile a .dylib file…
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Browse all CWE-427 (Uncontrolled Search Path Element) vulnerabilities →