Security readout for executives and security teams
Plain-English summary
CVE-2022-50903 affects Wondershare MobileTrans 3.5.9 on systems where its ElevationService is installed. A local user could abuse an improperly quoted Windows service path to run code with LocalSystem privileges. This is a privilege-escalation issue, not a remote entry point by itself.
Executive priority
Treat as high priority for affected endpoints, especially shared workstations. It does not enable internet-based compromise alone, but it can turn a local foothold into full system control.
Technical view
The issue is CWE-428: unquoted search path or element. ElevationService in Wondershare MobileTrans 3.5.9 has an unquoted service path. A low-privileged local attacker may place a malicious executable in specific filesystem locations so Windows executes it during service startup with LocalSystem permissions.
Likely exposure
Exposure is limited to endpoints with Wondershare MobileTrans 3.5.9 installed and the vulnerable ElevationService present. The CVE record does not identify other affected versions or platforms.
Exploitation context
Public exploit information is referenced by Exploit-DB, but the CVE is not listed as CISA KEV in the provided data. Exploitation requires local access and an opportunity to place files in the relevant path before service startup.
Researcher notes
The public record names only Wondershare MobileTrans 3.5.9. No vendor patch advisory is included in the provided sources. Avoid broad version assumptions; validate the service configuration and filesystem permissions directly on installed endpoints.
Mitigation direction
- Identify endpoints running Wondershare MobileTrans 3.5.9.
- Check Wondershare guidance for an updated or fixed release.
- Remove MobileTrans where it is not business-required.
- Disable ElevationService only if vendor guidance and business impact allow.
- Restrict write permissions on service path parent directories.
Validation and detection
- Inventory installed Wondershare MobileTrans versions across endpoints.
- Confirm whether ElevationService exists on each system.
- Review the service executable path for unquoted paths containing spaces.
- Check whether standard users can write to relevant parent directories.
- Prioritize systems shared by multiple users or exposed to untrusted local accounts.
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 lookupCVE-2022-50903 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-50756CVE reference · exploit
- Vendor HomepageCVE reference · product
- VulnCheck Advisory: Wondershare MobileTrans 3.5.9 - 'ElevationService' 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.