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TI-2021-12251 Aliases CVE-2021-32579GHSA-mc6j-mqqm-ccw2

Acronis True Image prior to 2021 Update 4 for Windows and Acronis True Image prior to…

Priority LOW 34CWE-287Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

Acronis True Image prior to 2021 Update 4 for Windows and Acronis True Image prior to 2021 Update 5 for macOS allowed an unauthenticated attacker (who has a local code execution ability) to tamper with the micro-service API.

Why it matters now

EPSS 0.00236 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:acronis:true_image:2021:-:*:*:*:macos:*:*2021VulnerableAcronis
cpe:2.3:a:acronis:true_image:2021:-:*:*:*:windows:*:*2021VulnerableAcronis
cpe:2.3:a:acronis:true_image:2021:update_1:*:*:*:macos:*:*2021 update_1VulnerableAcronis
cpe:2.3:a:acronis:true_image:2021:update_1:*:*:*:windows:*:*2021 update_1VulnerableAcronis
cpe:2.3:a:acronis:true_image:2021:update_2:*:*:*:macos:*:*2021 update_2VulnerableAcronis
cpe:2.3:a:acronis:true_image:2021:update_2:*:*:*:windows:*:*2021 update_2VulnerableAcronis
cpe:2.3:a:acronis:true_image:2021:update_3:*:*:*:macos:*:*2021 update_3VulnerableAcronis
cpe:2.3:a:acronis:true_image:2021:update_3:*:*:*:windows:*:*2021 update_3VulnerableAcronis
cpe:2.3:a:acronis:true_image:2021:update_4:*:*:*:macos:*:*2021 update_4VulnerableAcronis
  • cpe:2.3:a:acronis:true_image:2021:-:*:*:*:macos:*:* Versions 2021 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:*:*:*:macos:*:* Versions 2021 update_1 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:*:*:*:macos:*:* Versions 2021 update_2 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:*:*:*:macos:*:* Versions 2021 update_3 Vulnerable ·Acronis
  • cpe:2.3:a:acronis:true_image:2021:update_3:*:*:*:windows:*:* Versions 2021 update_3 Vulnerable ·Acronis
  • cpe:2.3:a:acronis:true_image:2021:update_4:*:*:*:macos:*:* Versions 2021 update_4 Vulnerable ·Acronis

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-32579
  2. 2026-10-03 Alias added: GHSA-mc6j-mqqm-ccw2

References

Advisory 2

  • 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-2021-12250 Acronis True Image prior to 2021 Update 4 for Windows allowed local privilege escalation… CVSS 3.1HIGH 7.8
See all 24 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences