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Vulnerability record · CVE-2020-10138 · published 21 October 2020

CVE-2020-10138: Acronis cyber backup improper access control vulnerability

Acronis · Cyber Backup

Acronis Cyber Backup 12.5 and Cyber Protect 15 include an OpenSSL component that specifies an OPENSSLDIR variable as a subdirectory within C:\jenkins_agent\. Acronis Cyber Backup and Cyber Protect contain a privileged service that uses this OpenSSL component. Because unprivileged Windows users can create subdirectories off of the system root, a user can create the appropriate path to a specially-crafted openssl.cnf file to achieve arbitrary code execution with SYSTEM privileges.

7.8 CVSS 3.1 High EPSS 0.53% · top 57.2% CWE-284 · Improper access controlCWE-665 · CWE-665
7.8CVSS 3.1 base score, v2 7.2
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Acronis Cyber Backup 12.5 and Cyber Protect 15 include an OpenSSL component that specifies an OPENSSLDIR variable as a subdirectory within C:\jenkins_agent\. Acronis Cyber Backup and Cyber Protect contain a privileged service that uses this OpenSSL component. Because unprivileged Windows users can create subdirectories off of the system root, a user can create the appropriate path to a specially-crafted openssl.cnf file to achieve arbitrary code execution with SYSTEM privileges.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.kb.cert.org/vuls/id/114757 Third Party AdvisoryUS Government Resource
https://www.kb.cert.org/vuls/id/114757 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2025-30411Acronis cyber protect vulnerabilitySensitive data disclosure and manipulation due to improper authentication. The following products are affected: Acronis Cyber Protect 16 (Linux, Wind…EPSS 0.80%10.0CVE-2025-30412Acronis cyber protect vulnerabilitySensitive data disclosure and manipulation due to improper authentication. The following products are affected: Acronis Cyber Protect 16 (Linux, Wind…EPSS 0.71%10.0CVE-2025-30416Acronis cyber protect missing authorization vulnerabilitySensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis Cyber Protect 16 (Linux, Window…EPSS 0.46%9.8CVE-2026-28710Acronis cyber protect vulnerabilitySensitive information disclosure and manipulation due to improper authentication. The following products are affected: Acronis Cyber Protect 17 (Linu…EPSS 0.61%9.1CVE-2024-49388Acronis cyber protect insecure direct object reference vulnerabilitySensitive information manipulation due to improper authorization. The following products are affected: Acronis Cyber Protect 16 (Linux, Windows) befo…EPSS 0.27%9.1CVE-2023-44206Acronis cyber protect insecure direct object reference vulnerabilitySensitive information disclosure and manipulation due to improper authorization. The following products are affected: Acronis Cyber Protect 15 (Linux…EPSS 0.82%9.1CVE-2023-44152Acronis cyber protect missing authentication for critical function vulnerabilitySensitive information disclosure and manipulation due to improper authentication. The following products are affected: Acronis Cyber Protect 15 (Linu…EPSS 0.57%8.8CVE-2022-3405Acronis cyber backup improper privilege management vulnerabilityCode execution and sensitive information disclosure due to excessive privileges assigned to Acronis Agent. The following products are affected: Acron…EPSS 5.3%

Source: NIST National Vulnerability Database (record CVE-2020-10138), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.