Privilege Escalation Vulnerability in Acronis True Image by Acronis
CVE-2020-9452

7.8HIGH

Key Information:

Vendor
Acronis
Vendor
CVE Published:
25 May 2021

Summary

Acronis True Image 2020 contains a vulnerability that allows unprivileged users to use hardlinks to overwrite arbitrary files in system directories via the anti_ransomware_service.exe component. This issue arises from improper permissions in the quarantine folder, enabling potential unauthorized access to SYSTEM-level privileges. Although the quarantine feature is disabled by default, it can be forced through interactions with the service's REST API, raising significant security concerns for data integrity.

References

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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