Security readout for executives and security teams
Plain-English summary
Disk Sorter Server 13.6.12 can be misconfigured with an unquoted Windows service path. A local user with low privileges may be able to place a malicious executable in a searched path and have it run with the service’s privileges, creating a privilege-escalation risk on affected servers.
Executive priority
Treat as a high-priority hardening issue for affected servers, especially where many users have local access. It is less urgent than an internet-facing remote exploit, but it can turn a limited compromise into full server control.
Technical view
CVE-2021-47847 is a CWE-428 unquoted service path issue in Disk Sorter Server 13.6.12. The reported service binary path is C:\Program Files\Disk Sorter Server\bin\disksrs.exe. Because the path contains spaces and is unquoted, Windows path parsing can allow local code execution under elevated service context if file placement conditions are met.
Likely exposure
Exposure is limited to systems running Disk Sorter Server 13.6.12 on Windows. The attack requires local access and low privileges, so risk is highest on shared servers, jump hosts, or systems where untrusted users can write to relevant directories.
Exploitation context
ExploitDB and VulnCheck list the issue, but the provided sources do not show CISA KEV listing or confirmed active exploitation. This is not remotely exploitable by itself; it is a local privilege-escalation condition after an attacker already has access.
Researcher notes
The provided sources identify version 13.6.12 and the unquoted path condition. Patch availability is not stated in the bundle. Avoid assuming broader affected versions. Validate service configuration and filesystem permissions before declaring exposure.
Mitigation direction
- Identify all installations of Disk Sorter Server 13.6.12.
- Check the vendor site and advisory sources for fixed versions or official guidance.
- Restrict local interactive access to affected servers where possible.
- Review write permissions on parent directories in the service path.
- If vendor-supported, correct the service path so it is safely quoted.
Validation and detection
- Confirm the installed Disk Sorter Server version on Windows hosts.
- Inspect the Disk Sorter Server service binary path configuration.
- Verify whether the service path contains spaces and lacks quotes.
- Check whether low-privileged users can write to searched path locations.
- Document compensating controls if no vendor fix is available.
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-428: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-47847 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
- High
- CVSS
- 8.5 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.5HighVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-50013CVE reference · exploit
- Vendor HomepageCVE reference · product
- VulnCheck Advisory: Disk Sorter Server 13.6.12 - 'Disk Sorter Server' Unquoted Service PathCVE reference · third-party-advisory
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.
Unquoted Search Path or Element
Unquoted Search Path or Element represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
