CVE-2022-45455

Home/CVE/Local privilege escalation due to incomplete uninstallation cleanup. The following products are affected: Acronis Cyber

CVE

Local privilege escalation due to incomplete uninstallation cleanup. The following products are affected: Acronis Cyber

Local privilege escalation due to incomplete uninstallation cleanup. The following products are affected: Acronis Cyber Protect Home Office (Windows) before build 40107, Acronis Agent (Windows) before build 30025, Acronis Cyber Protect 15 (Windows) before build 30984.

HIGH · CVSS 7.8 EPSS 0.00053

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules12 YARA rules0

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Weakness Classification

CWE-459Incomplete Cleanup

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Affected Products & Versions

acronis agent< c22.07
acronis cyber protectall versions
acronis cyber protect home officeall versions

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

productcriticalWMI Backdoor Exchange Transport Agent

productcriticalHackTool - BabyShark Agent Default URL Pattern

producthighSuspicious Windows Update Agent Empty Cmdline

producthighSuspicious BitLocker Access Agent Update Utility Execution

producthighAtera Agent Installation

productcriticalHackTool - Windows Credential Editor (WCE) Execution

Show all 12 top matchesproductcriticalWindows Credential Editor Registry
producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication
producthighWindows LAPS Credential Dump From Entra ID
producthighTamper Windows Defender - PSClassic
producthighTamper Windows Defender Remove-MpPreference - ScriptBlockLogging
producthighTamper Windows Defender - ScriptBlockLogging

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Scoring & Timeline

7.8

HIGH · CVSS v3.1 · security@acronis.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD13 Feb 2023 · 10:15 AM

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

SSVC triage · cisa-vulnrichment

Exploitation

none

Automatable

Technical impact

partial

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://security-advisory.acronis.com/advisories/SEC-4459Vendor Advisory

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