CVE-2023-45243

Local information disclosure via missing authorization

Published Oct 5, 2023 · Updated Mar 5, 2026

Missing authorization in Acronis Cyber Protect Cloud Agent and Cyber Protect 17 allows local users to read sensitive data before builds 35739 and 41186. Acronis has not disclosed the affected component, protected resource, or operation that omits the authorization check. A local low-privileged account is required, and the published impact is limited to confidentiality with no data modification or service interruption.

CVSS severity5.5
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Missing authorization in Acronis Cyber Protect Cloud Agent and Cyber Protect 17 allows local users to read sensitive data before builds 35739 and 41186. Acronis has not disclosed the affected component, protected resource, or operation that omits the authorization check. A local low-privileged account is required, and the published impact is limited to confidentiality with no data modification or service interruption.

The record

CVE
CVE-2023-45243
Published
Oct 5, 2023
Updated
Mar 5, 2026
Vendor
Acronis
Product
Acronis Cyber Protect
Classifications
CWE-862, T1005
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 5, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <41186

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Acronis · Acronis Cyber Protectversion=unspecified <41186
Acronis · Acronis Cyber Protect Cloud Agentversion=unspecified <35739

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
5.5Acronis International GmbHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo