Acronis Cyber Infrastructure (ACI) Insecure Default Password Vulnerability
Acronis — Acronis Cyber Infrastructure
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.
9.8
53.3%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- Jul 24, 2024
- Modified
- Oct 21, 2025
- Added to KEV
- Jul 29, 2024
- Federal patch due
- Aug 19, 2024
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2023-45249, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2023-45249 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2023-45249?
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.
How severe is CVE-2023-45249?
CVE-2023-45249 has a CVSS base score of 9.8 out of 10 (CVSS 3.0).
Is CVE-2023-45249 actively exploited in the wild?
Yes. CVE-2023-45249 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Jul 29, 2024, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2023-45249?
53.3% - meaning FIRST.org's EPSS model estimates a 53.3% probability this vulnerability will be exploited in the wild within 30 days (99% percentile among all scored CVEs).
What type of vulnerability is CVE-2023-45249?
CVE-2023-45249 is classified under CWE-1393.
Cross-checked against
Impactr finds and proves whether CVE-2023-45249 - or flaws like it - are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.
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