Security readout for executives and security teams
Plain-English summary
CVE-2021-44205 is a local privilege escalation issue in two Acronis Windows products. A user or attacker who already has local access may be able to gain higher privileges through DLL hijacking. This is not described as remotely exploitable in the supplied sources.
Executive priority
Treat as a targeted endpoint hygiene issue, not an emergency internet-facing crisis. Prioritize remediation where affected Acronis software runs on privileged administrator workstations, backup operators' machines, or systems with sensitive recovery responsibilities.
Technical view
The CVE describes CWE-427, uncontrolled search path element, affecting Acronis Cyber Protect Home Office for Windows before build 39612 and Acronis True Image 2021 for Windows before build 39287. The available bundle does not include CVSS details, exploit prerequisites beyond local access, or proof-of-concept status.
Likely exposure
Exposure is limited to Windows systems running the named Acronis products below the fixed builds. Organizations without these products, or already at or above the listed builds, are not indicated as affected by the supplied sources.
Exploitation context
The source bundle does not report active exploitation, and CISA KEV status is false. The issue is local privilege escalation, so business risk depends on whether attackers can first obtain local code execution or user-level access on affected Windows endpoints.
Researcher notes
Evidence is sparse: the CVE and Acronis advisory identify affected products and fixed build thresholds, but no CVSS vector, exploit details, or exploitation reports are provided. Avoid assuming affected versions beyond the stated Windows products and build ranges.
Mitigation direction
- Upgrade Acronis Cyber Protect Home Office for Windows to build 39612 or later.
- Upgrade Acronis True Image 2021 for Windows to build 39287 or later.
- Check Acronis advisory SEC-3059 for current vendor guidance.
- Prioritize endpoints where Acronis software protects sensitive backup or recovery data.
Validation and detection
- Inventory Windows endpoints for the affected Acronis product names.
- Confirm installed build numbers against 39612 and 39287 thresholds.
- Review vulnerability scanner results for CVE-2021-44205 coverage.
- Verify remediation by rechecking product build numbers after update.
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-2021-44205 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-3059CVE 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.