CVE-2023-41743

Summary

CVECVE-2023-41743
StatePUBLISHED
AssignerAcronis
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-08-31 16:15:10 UTC
Updated2026-04-10 14:16:23 UTC
DescriptionLocal privilege escalation due to insecure driver communication port permissions. The following products are affected: Acronis Cyber Protect Home Office (Windows) before build 40278, Acronis Cyber Protect Cloud Agent (Windows) before build 31637, Acronis Cyber Protect 15 (Windows) before build 35979, Acronis True Image OEM (Windows) before build 42575.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

EPSS: 0.000320000 probability, percentile 0.091210000 (date 2026-04-15)

Problem Types: CWE-269 | CWE-269 CWE-269


VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.0[email protected]Secondary8.8HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.0CNACVSS8.8HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Acronis Agent All All All All
Application Acronis Cyber Protect 15 - All All
Application Acronis Cyber Protect 15 update1 All All
Application Acronis Cyber Protect 15 update2 All All
Application Acronis Cyber Protect 15 update3 All All
Application Acronis Cyber Protect 15 update4 All All
Application Acronis Cyber Protect 15 update5 All All
Application Acronis Cyber Protect Home Office - All All All
Application Acronis Cyber Protect Home Office 39900 All All All
Application Acronis Cyber Protect Home Office 40107 All All All
Application Acronis Cyber Protect Home Office 40173 All All All
Application Acronis Cyber Protect Home Office 40208 All All All
Operating System Microsoft Windows - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Acronis Acronis Cyber Protect Home Office affected unspecified 40278 semver Windows
CNA Acronis Acronis Cyber Protect Cloud Agent affected unspecified 31637 semver Windows
CNA Acronis Acronis Cyber Protect 15 affected unspecified 35979 semver Windows
CNA Acronis Acronis True Image OEM affected unspecified 42575 semver Windows
ADP Acronis Cyber Protect affected 35979 semver Not specified
ADP Acronis Cyber Protect Home Office affected 40278 semver Not specified
ADP Acronis Agent affected 31637 semver Not specified

References

ReferenceSourceLinkTags
Acronis Advisory Database - Acronis af854a3a-2127-422b-91ae-364da2661108 security-advisory.acronis.com Release Notes, Vendor Advisory
Acronis Advisory Database - Acronis af854a3a-2127-422b-91ae-364da2661108 security-advisory.acronis.com Release Notes, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: @alfarom256 (https://hackerone.com/alfarom256) (en)

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