Security readout for executives and security teams
Plain-English summary
Acronis True Image for Windows versions before 2021 Update 5 allowed local privilege escalation because folder permissions were insecure. This is not a remote entry point, but it can increase impact after a user account or endpoint is already compromised.
Executive priority
Treat this as a patching and exposure-reduction issue, not an emergency remote-exploitation event. Prioritize affected Windows endpoints that protect sensitive backups or high-value systems.
Technical view
The CVE describes a local privilege escalation in Acronis True Image prior to 2021 Update 5 for Windows, caused by insecure folder permissions. The public bundle does not provide CVSS, CWE, affected CPEs, or implementation details.
Likely exposure
Exposure is likely limited to Windows endpoints running Acronis True Image older than 2021 Update 5. Organizations without this product, or already on 2021 Update 5 or later, are not indicated as affected by the provided sources.
Exploitation context
The sources do not state active exploitation, and the CVE is not listed as KEV in the provided bundle. Exploitation would require local access or an already-compromised local user context, based on the local privilege escalation description.
Researcher notes
Evidence is sparse. The public CVE bundle names the product, affected version boundary, platform, and root cause, but does not include CVSS, CWE, CPEs, exploitation evidence, or detailed technical mechanics.
Mitigation direction
- Upgrade Acronis True Image for Windows to 2021 Update 5 or later.
- Review Acronis vendor advisory for any product-specific remediation details.
- Prioritize endpoints where local user compromise would affect backup or recovery operations.
- Restrict local administrative access on systems running endpoint backup software.
Validation and detection
- Inventory Windows endpoints for installed Acronis True Image versions.
- Confirm no deployed version is older than 2021 Update 5.
- Check whether Acronis endpoint folders have unexpected permissive local write access.
- Review endpoint telemetry for suspicious local privilege changes involving Acronis paths.
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.
Privilege 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-2021-32577 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://kb.acronis.com/content/68413CVE 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.