CISA KEV · Known exploitedCritical

CVE-2023-45249

Acronis Cyber Infrastructure (ACI)

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.

CVSS: 9.8
EPSS: 53.3%
CISA KEV: Listed
Published: 2024.07.24

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability53.3%

Technical severityCVSS 9.8

Vulnerability overview

Affected product and versions

Product: Acronis Cyber Infrastructure (ACI)
Affected versions: unspecified, 5.1.1, 5.2.1, 5.3.1, 5.4.4, < 5.0.1-61, >= 5.1.1 < 5.1.1-71, >= 5.2.1 < 5.2.1-69, >= 5.3.1 < 5.3.1-53, >= 5.4.4 < 5.4.4-132
Fixed versions: 5.0.1-61, 5.1.1-71, 5.2.1-69, 5.3.1-53, 5.4.4-132

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

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

Due date: 2024.08.19

1
Identify
Confirm that Acronis Cyber Infrastructure (ACI) and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-1393
KEV added: 2024.07.29
Ransomware use: 미확인