CVE-2023-44154Network attack vector

Authenticated data disclosure and manipulation via authorization bypass

Published Sep 27, 2023 · Updated Sep 23, 2024

Improper authorization in Acronis Cyber Protect 15 before build 35979 allows remote authenticated users to disclose or manipulate sensitive data. Acronis has not published the affected component or the incorrect authorization operation performed on a user-controlled key. Exploitation requires low-privilege authentication and user interaction, and the reported impact excludes service interruption.

CVSS severity8.1
High
EPSS probability0.62%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authorization in Acronis Cyber Protect 15 before build 35979 allows remote authenticated users to disclose or manipulate sensitive data. Acronis has not published the affected component or the incorrect authorization operation performed on a user-controlled key. Exploitation requires low-privilege authentication and user interaction, and the reported impact excludes service interruption.

The record

CVE
CVE-2023-44154
Published
Sep 27, 2023
Updated
Sep 23, 2024
Vendor
Acronis
Product
Acronis Cyber Protect 15
Classifications
CWE-639
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 27, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 23, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=unspecified <35979

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Acronis · Acronis Cyber Protect 15version=unspecified <35979

Published CVSS scores

3.5Acronis International GmbHCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
8.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key

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

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Your stack

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