Acronis True Image prior to 2021 Update 4 for Windows allowed local privilege escalation…
Priority LOW 34CWE-610Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Acronis True Image prior to 2021 Update 4 for Windows allowed local privilege escalation due to improper soft link handling (issue 2 of 2).
Why it matters now
EPSS 0.00234 14th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:acronis:true_image:2021:-:*:*:*:windows:*:* | 2021 | Vulnerable | Acronis |
| cpe:2.3:a:acronis:true_image:2021:update_1:*:*:*:windows:*:* | 2021 update_1 | Vulnerable | Acronis |
| cpe:2.3:a:acronis:true_image:2021:update_2:*:*:*:windows:*:* | 2021 update_2 | Vulnerable | Acronis |
| cpe:2.3:a:acronis:true_image:2021:update_3:*:*:*:windows:*:* | 2021 update_3 | Vulnerable | Acronis |
- cpe:2.3:a:acronis:true_image:2021:-:*:*:*:windows:*:* Versions 2021 Vulnerable ·Acronis
- cpe:2.3:a:acronis:true_image:2021:update_1:*:*:*:windows:*:* Versions 2021 update_1 Vulnerable ·Acronis
- cpe:2.3:a:acronis:true_image:2021:update_2:*:*:*:windows:*:* Versions 2021 update_2 Vulnerable ·Acronis
- cpe:2.3:a:acronis:true_image:2021:update_3:*:*:*:windows:*:* Versions 2021 update_3 Vulnerable ·Acronis
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-32578
- 2026-10-03 Alias added: GHSA-rv9h-9578-p999
References
Advisory 1
More Acronis True Image vulnerabilities
- TI-2017-02423 Insufficient verification of data authenticity in Acronis True Image CVSS 3.0HIGH 8.8
- TI-2020-15747 Acronis True Image 2019 update 1 through 2021 update 1 on macOS allows local privilege… CVSS 3.1HIGH 7.8
- TI-2021-12253 Acronis True Image prior to 2021 Update 4 for Windows, Acronis True Image prior to 2021… CVSS 3.1HIGH 8.1
- TI-2020-17851 Acronis True Image for Windows prior to 2021 Update 3 allowed local privilege escalation… CVSS 3.1HIGH 7.8
- TI-2021-12252 Acronis True Image prior to 2021 Update 4 for Windows allowed local privilege escalation due to DLL hijacking. CVSS 3.1HIGH 7.8
- TI-2021-12251 Acronis True Image prior to 2021 Update 4 for Windows and Acronis True Image prior to… CVSS 3.1HIGH 7.8
Sources
- CVE-2021-32578 · CVE Program
- CVE-2021-32578 · NVD
- FIRST EPSS
- GHSA-rv9h-9578-p999 · GitHub Advisory Database · CC BY 4.0
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