Security readout for executives and security teams
Plain-English summary
CVE-2021-47833 is a local privilege escalation flaw in Gearboxcomputers WifiHotSpot 1.0.0.0. A user who already has local access can abuse an unquoted Windows service path to run code as LocalSystem during startup or reboot. This is serious on shared or user-accessible Windows systems, but it is not a remote entry point.
Executive priority
Prioritize remediation on shared workstations, kiosks, labs, or systems where non-admin users have local access. Treat this as a high-priority hardening issue, not an internet-facing emergency, unless the affected software is deployed broadly on user-accessible Windows endpoints.
Technical view
WifiHotSpotService.exe in WifiHotSpot 1.0.0.0 is registered with an unquoted service path, mapped to CWE-428. The CVSS 4.0 score is 8.5, with local attack vector, low complexity, low privileges required, and high impact to vulnerable-system confidentiality, integrity, and availability.
Likely exposure
Exposure is limited to Windows systems with Gearboxcomputers WifiHotSpot version 1.0.0.0 installed and the vulnerable service present. Risk is higher where untrusted users can log in locally, run code, or influence writable directories along the service path.
Exploitation context
Public exploit information is referenced by Exploit-DB, but the CVE is not listed as KEV in the provided data. Exploitation requires local access and typically takes effect when the affected service starts, such as during system startup or reboot.
Researcher notes
The provided sources identify WifiHotSpot 1.0.0.0 only. No vendor patch version or official fix is named in the bundle. Avoid assuming broader product impact. Validate by service configuration and local filesystem permissions, and track vendor or advisory updates for remediation details.
Mitigation direction
- Identify systems running Gearboxcomputers WifiHotSpot 1.0.0.0.
- Check vendor guidance for an update or supported remediation.
- Remove or disable WifiHotSpot where it is not business-critical.
- Restrict local access to systems running the affected service.
- Review service path configuration and correct unsafe unquoted paths per Windows hardening policy.
Validation and detection
- Confirm whether WifiHotSpot 1.0.0.0 is installed.
- Verify the WifiHotSpotService.exe service exists on the host.
- Inspect the service executable path for unsafe unquoted spacing.
- Review directory permissions along the service path for non-administrative write access.
- Recheck after remediation that the service path is safely configured.
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 lookupCVE-2021-47833 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-49845CVE reference · exploit
- WiFi Hotspot Product PageCVE reference · product
- VulnCheck Advisory: WifiHotSpot 1.0.0.0 - 'WifiHotSpotService.exe' 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.