Security readout for executives and security teams
Plain-English summary
CVE-2022-50921 affects WOW21 5.0.1.9. A Windows service is installed with an unquoted executable path, which can let a local low-privileged attacker get code run as LocalSystem when the service starts. This is serious for machines where untrusted users can log in, but it is not a remote internet-entry vulnerability.
Executive priority
Treat as high priority for any host where non-admin users can log in. It is mainly a privilege-escalation risk, so urgency depends on deployment footprint and local access exposure. Prioritize shared systems and sensitive servers first.
Technical view
The issue is CWE-428 in the WOW21_Service service path. The CVSS v4 score is 8.5, with local attack vector, low complexity, low privileges required, and no user interaction. The reported impact is high confidentiality, integrity, and availability compromise on the vulnerable system through elevated execution during service startup.
Likely exposure
Exposure is limited to Windows systems running ilwebmaster21 WOW21 version 5.0.1.9 with the vulnerable WOW21_Service installed. Risk is highest on shared workstations, jump hosts, servers with interactive logon, or endpoints where standard users can write to relevant path locations. Sources do not indicate broad internet-facing exposure.
Exploitation context
ExploitDB is listed as a public exploit reference, so defenders should assume proof-of-concept details are publicly available. The source bundle does not show CISA KEV listing or confirmed active exploitation. Exploitation requires local access with low privileges and service startup conditions.
Researcher notes
The provided data identifies WOW21 5.0.1.9, CWE-428, 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. Public exploit reference exists, but active exploitation is not evidenced. No vendor patch or definitive fixed version is provided in the source bundle.
Mitigation direction
- Identify systems running WOW21 5.0.1.9 and prioritize them for review.
- Check vendor or advisory guidance; no patch is named in the provided sources.
- Remove or disable WOW21 where it is not business-required.
- Restrict local interactive access to systems running the software.
- Review service path and filesystem permissions through approved change control.
Validation and detection
- Inventory installed WOW21 versions and confirm whether 5.0.1.9 is present.
- Verify whether the WOW21_Service service exists on each host.
- Review the service executable path for unquoted paths containing spaces.
- Check whether low-privileged users can write to relevant path directories.
- Confirm remediation by rechecking service configuration and permissions.
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-2022-50921 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-50818CVE reference · exploit
- Archived Product HomepageCVE reference · product
- VulnCheck Advisory: WOW21 5.0.1.9 - 'Service WOW21_Service' 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.