Security readout for executives and security teams
Plain-English summary
Sandboxie Plus 5.50.2 has an unquoted Windows service path issue in the SbieSvc service. A local attacker with low privileges may be able to abuse service startup behavior to run code with LocalSystem privileges.
Executive priority
Prioritize remediation on managed Windows endpoints where Sandboxie Plus 5.50.2 is installed and where non-admin users have local access. This is high severity because successful exploitation can elevate a local user to LocalSystem, but it is not supported by the bundle as remotely exploitable or actively exploited.
Technical view
CVE-2022-50920 is a CWE-428 unquoted service path vulnerability affecting Sandboxie Plus 5.50.2. The vulnerable SbieSvc Windows service has an unquoted binary path, which can allow local privilege escalation if an attacker can introduce a malicious executable into a path location evaluated during service startup. The supplied CVSS v4.0 score is 8.5 high with local attack vector, low complexity, low privileges required, and high confidentiality, integrity, and availability impact on the vulnerable system.
Likely exposure
Exposure is limited to Windows systems running Sandboxie Plus 5.50.2 with the vulnerable SbieSvc service configuration. This is not described as remotely exploitable; it requires local attacker access. Risk is higher on shared workstations, developer systems, jump boxes, or any endpoint where low-privileged users can log in and write to directories involved in the unquoted service path behavior.
Exploitation context
The source bundle includes an ExploitDB reference tagged as exploit, so public exploit information exists. The bundle does not indicate CISA KEV listing and does not provide evidence of active exploitation in the wild. Treat this as a local privilege escalation risk, not a confirmed actively exploited vulnerability.
Researcher notes
Use only the supplied affected product evidence: Sandboxie Plus 5.50.2. The bundle does not identify a fixed version, does not list CISA KEV, and does not support a claim of active exploitation. Public exploit availability is supported only by the ExploitDB reference in the bundle.
Mitigation direction
- Identify and prioritize any installations of Sandboxie Plus 5.50.2.
- Check official Sandboxie Plus and vendor advisory guidance for a fixed release or vendor-approved remediation; the source bundle does not provide patch-version evidence.
- If vendor guidance permits, correct the SbieSvc service configuration so the executable path is properly quoted and verify the service still starts as expected.
- Review filesystem permissions on directories in the service path and remove write access for non-administrative users where it is not required.
- Limit local interactive access to affected systems until remediation is complete, especially where untrusted or shared users have accounts.
Validation and detection
- Inventory endpoints for Sandboxie Plus 5.50.2 specifically; do not assume other versions are affected without vendor evidence.
- Inspect the SbieSvc Windows service configuration and confirm whether the binary path is unquoted.
- Confirm whether SbieSvc runs with LocalSystem privileges on affected hosts.
- Review write permissions on directories that could be interpreted during service startup because of the unquoted path.
- After remediation or upgrade, re-check that the service path is quoted or otherwise vendor-remediated and that the service starts normally.
- Document whether the finding is remediated, accepted, or not applicable for each reviewed system.
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-2022-50920 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-50819CVE reference · exploit
- Official Sandboxie-Plus Product HomepageCVE reference · product
- VulnCheck Advisory: Sandboxie-Plus 5.50.2 - 'Service 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.