Security readout for executives and security teams
Plain-English summary
This CVE affects Windows versions of two Acronis backup products. A local DLL hijacking flaw in the Acronis Media Builder service could let someone who already has local access raise privileges. The source bundle does not report remote exploitation or active exploitation.
Executive priority
Treat this as a targeted endpoint hardening priority, not an internet-wide emergency. Patch affected Windows systems where Acronis backup software is installed, especially endpoints used by multiple users or exposed to untrusted local access.
Technical view
CVE-2021-44206 is a CWE-427 uncontrolled search path/DLL hijacking issue in the Acronis Media Builder service. Affected products are Acronis Cyber Protect Home Office for Windows before build 39612 and Acronis True Image 2021 for Windows before build 39287.
Likely exposure
Exposure is limited to Windows endpoints running the named Acronis products below the fixed builds. Organizations without these products, or already on the listed fixed builds or later, are not indicated as affected by the provided sources.
Exploitation context
The bundle describes local privilege escalation, not remote compromise. KEV status is false, and the provided sources do not cite active exploitation, public exploit availability, or exploitation in the wild.
Researcher notes
The available evidence is sparse: no CVSS vector, no detailed attack prerequisites, and no exploit narrative are provided. Analysis should stay anchored to local privilege escalation through CWE-427 in the named Acronis Media Builder service.
Mitigation direction
- Upgrade Cyber Protect Home Office for Windows to build 39612 or later.
- Upgrade True Image 2021 for Windows to build 39287 or later.
- Review Acronis advisory SEC-3058 for any updated vendor instructions.
- Prioritize shared or user-managed Windows endpoints running affected builds.
Validation and detection
- Inventory Windows endpoints for the affected Acronis products.
- Confirm installed build numbers are not below the fixed builds.
- Check whether the Acronis Media Builder service is present on affected hosts.
- Re-check the CVE record and Acronis advisory for revised scope.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-427: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-44206 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://security-advisory.acronis.com/advisories/SEC-3058CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Uncontrolled Search Path Element
Uncontrolled Search Path Element represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.