What’s Vulnerable › Vulnerabilities

CVE-2023-45249: Acronis Cyber Infrastructure (ACI) Insecure Default Password Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2024-07-29
• EPSS: 53.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-07-24 · updated 2026-06-17
• Weakness: CWE-1393

Description

Remote command execution due to use of default passwords. The following products are affected: Acronis Cyber Infrastructure (ACI) before build 5.0.1-61, Acronis Cyber Infrastructure (ACI) before build 5.1.1-71, Acronis Cyber Infrastructure (ACI) before build 5.2.1-69, Acronis Cyber Infrastructure (ACI) before build 5.3.1-53, Acronis Cyber Infrastructure (ACI) before build 5.4.4-132.

Affected products

• Acronis Cyber Infrastructure: before 5.0.1-61; from 5.1.1 before 5.1.1-71; from 5.2.1 before 5.2.1-69; from 5.3.1 before 5.3.1-53; from 5.4.4 before 5.4.4-132 — fixed in 5.0.1-61, 5.1.1-71, 5.2.1-69, 5.3.1-53, 5.4.4-132

How to fix

Upgrade to a fixed version: Acronis Cyber Infrastructure 5.0.1-61, 5.1.1-71, 5.2.1-69, 5.3.1-53. Check the vendor advisory for mitigations.

References

• https://security-advisory.acronis.com/advisories/SEC-6452
• https://www.securityweek.com/acronis-product-vulnerability-exploited-in-the-wild/
• https://security-advisory.acronis.com/advisories/SEC-6452
• https://www.securityweek.com/acronis-product-vulnerability-exploited-in-the-wild/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45249

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