Security readout for executives and security teams
Plain-English summary
Sandboxie Plus 0.7.2 has a Windows service configuration flaw that can let a local attacker gain LocalSystem-level control. This is mainly a risk on endpoints where an attacker already has some local access. It is not listed in KEV, and the provided sources do not show active exploitation.
Executive priority
Treat as a high-priority endpoint hardening issue, especially where Sandboxie Plus 0.7.2 is deployed on user-accessible systems. It is less urgent than a remotely exploitable flaw, but it can turn a limited local compromise into full system control.
Technical view
CVE-2021-47883 is a CWE-428 unquoted service path issue in the Sandboxie Plus SbieSvc service. A local low-privileged attacker may cause unintended executable launch during service startup, resulting in elevated code execution as LocalSystem. The supplied CVSS 4.0 score is 8.5 high.
Likely exposure
Exposure appears limited to systems running Sandboxie Plus 0.7.2 with the affected SbieSvc service installed. The attack requires local access and low privileges, so risk is highest on shared workstations, developer systems, and compromised endpoints.
Exploitation context
A public ExploitDB reference exists, but the source bundle does not establish active in-the-wild exploitation. The issue is local privilege escalation, not initial remote compromise. Exploitation depends on service startup behavior and local filesystem/service path conditions.
Researcher notes
The record identifies Sandboxie Plus 0.7.2 and SbieSvc specifically. Sources do not name a fixed version or vendor patch. Avoid assuming broader version impact. Public exploit availability increases operational relevance, but active exploitation is not evidenced in the supplied sources.
Mitigation direction
- Identify any installations of Sandboxie Plus 0.7.2.
- Check vendor guidance for fixed versions or official remediation.
- Upgrade if the vendor provides a corrected release.
- Remove or disable Sandboxie Plus where not required.
- Restrict local user access on systems running the affected version.
Validation and detection
- Inventory endpoints for Sandboxie Plus 0.7.2.
- Verify whether the SbieSvc service is present.
- Review SbieSvc service path configuration for unquoted paths.
- Confirm remediation against vendor guidance after changes.
- Prioritize validation on shared or high-risk endpoints.
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
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ATT&CK lookup starting points
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CWE-428: Exact CWE lookup
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Open ATT&CK lookupCVE-2021-47883 mapping review
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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-49631CVE reference · exploit
- Vendor HomepageCVE reference · product
- VulnCheck Advisory: Sandboxie Plus v0.7.2 - 'SbieSvc' 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.