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Vulnerability Intelligence

CVE-2023-45249

CriticalExploitedPublic exploit

Remote command execution due to use of default passwords.

Published Jul 24, 2024 · Updated Oct 22, 2025

Key Facts

Patch immediately
  • CVE-2023-45249 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Cyber Infrastructure (Acronis).
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jul 24, 2024. Public exploit code is available.
  • EPSS estimates a 53% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Cyber Infrastructure 5.0.1-61, Cyber Infrastructure 5.1.1-71, Cyber Infrastructure 5.2.1-69.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

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

EPSS (30-day exploit likelihood)

53%

Higher than 98.9% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2023-45249 brief as a PDF

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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.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVJul 29, 2024Aug 19, 2024Not reported
Industry KEV feedJul 24, 2024Aug 19, 2024Not reported
CIRCL KEVJul 29, 2024Aug 19, 2024Not reported
ENISA EUVDJul 29, 2024n/aNot reported

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
Cyber InfrastructureAcronis>= unspecified5.0.1-61

Patched Releases

Cyber Infrastructure

5.0.1-61, 5.1.1-71, 5.2.1-69, 5.3.1-53, 5.4.4-132

Timeline

  1. Publicly disclosed

    Jul 24, 2024

  2. Added to Industry KEV feed

    Jul 24, 2024

  3. Added to CISA KEV

    Jul 29, 2024

  4. Added to CIRCL KEV

    Jul 29, 2024

  5. Added to ENISA EUVD

    Jul 29, 2024

  6. Last updated

    Oct 22, 2025

Weakness Type

  • CWE-1393 Use of Default Password

References

1 more references in the full CVE brief

FAQ

Common Questions.

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