Privilege Escalation Vulnerability in Acronis Cyber Backup and Cyber Protect
CVE-2020-10138

7.8HIGH

Key Information:

Vendor

Acronis
Status
Cyber Backup
Cyber Protect
Vendor
CVE Published:
21 October 2020

What is CVE-2020-10138?

A vulnerability in Acronis Cyber Backup 12.5 and Cyber Protect 15 arises from a misconfigured OpenSSL component that allows unprivileged Windows users to exploit the OPENSSLDIR variable. By creating a subdirectory in the path specified, users can introduce a crafted openssl.cnf file, potentially enabling arbitrary code execution with SYSTEM privileges. This poses significant risks, as it could lead to unauthorized access and control over the affected systems.

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Affected Version(s)

Cyber Backup 12.5 < 16363

Cyber Protect 15 < 24600

References

https://www.kb.cert.org/vuls/id/114757
x_refsource_MISC

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

Credit

Will Dormann
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