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TI-2021-15772 Aliases CVE-2021-38088GHSA-vfx3-jpgg-q8pj

Acronis Cyber Protect 15 for Windows prior to build 27009 allowed local privilege escalation via binary hijacking.

Priority LOW 34Published · 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 Cyber Protect 15 for Windows prior to build 27009 allowed local privilege escalation via binary hijacking.

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

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

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:acronis:cyber_protect:*:*:*:*:*:*:*:*before 15VulnerableAcronis
cpe:2.3:a:acronis:cyber_protect:15:-:*:*:*:*:*:*15VulnerableAcronis
cpe:2.3:a:acronis:cyber_protect:15:update1:*:*:*:*:*:*15 update1VulnerableAcronis
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:acronis:cyber_protect:*:*:*:*:*:*:*:* Versions before 15 Vulnerable ·Acronis
  • cpe:2.3:a:acronis:cyber_protect:15:-:*:*:*:*:*:* Versions 15 Vulnerable ·Acronis
  • cpe:2.3:a:acronis:cyber_protect:15:update1:*:*:*:*:*:* Versions 15 update1 Vulnerable ·Acronis
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-38088
  2. 2026-10-03 Alias added: GHSA-vfx3-jpgg-q8pj

References

Advisory 1

  • TI-2022-03146 Improper privilege management in Acronis Cyber Protect 15 CVSS 3.1HIGH 8.8
  • TI-2025-21714 Weak authentication in Acronis Cyber Protect 16 CVSS 3.0CRITICAL 10.0
  • TI-2025-21713 Weak authentication in Acronis Cyber Protect 16 CVSS 3.0CRITICAL 10.0
  • TI-2025-21717 Missing authorization in Acronis Cyber Protect 16 CVSS 3.0CRITICAL 10.0
  • TI-2023-23738 Authorization bypass in Acronis Cyber Protect 15 CVSS 3.1CRITICAL 9.1
  • TI-2026-22921 Weak authentication in Acronis Cyber Protect 17 CVSS 3.1CRITICAL 9.8
See all 85 →

Sources

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