Security readout for executives and security teams
Plain-English summary
CVE-2020-36977 is a local privilege escalation issue in Wondershare Driver Install Service help 10.7.1.321. A user who already has access to a Windows system may be able to abuse an unquoted service path to run malicious code with LocalSystem privileges. This is not described as remotely exploitable.
Executive priority
Treat as high priority for affected endpoints, especially shared devices or systems where users lack administrative rights. This issue can turn a limited local compromise into full system control, but it does not appear to be a remote-entry vulnerability from the provided evidence.
Technical view
The vulnerability is CWE-428, an unquoted service path in the ElevationService executable. The provided CVSS v4.0 score is 8.5, with local attack vector, low complexity, low privileges required, and no user interaction. Public sources include an Exploit-DB entry, but the bundle does not show CISA KEV listing or confirmed active exploitation.
Likely exposure
Exposure is likely limited to Windows endpoints where Wondershare Driver Install Service help version 10.7.1.321 is installed. Systems without this component are not indicated as affected by the provided sources.
Exploitation context
An attacker needs local access and low privileges on the target system. Successful exploitation could elevate privileges to LocalSystem. The public Exploit-DB reference increases research availability, but active exploitation is not confirmed in the provided sources.
Researcher notes
The key exposure condition is the vulnerable ElevationService configuration in version 10.7.1.321. Validate service configuration and file-system permissions without relying on exploit execution. Do not assume other Wondershare products or versions are affected unless confirmed by vendor or advisory data.
Mitigation direction
- Identify whether Wondershare Driver Install Service help 10.7.1.321 is present.
- Check Wondershare or VulnCheck guidance for supported remediation or updates.
- Remove the vulnerable component if it is not business-required.
- Prioritize remediation on shared workstations and systems with untrusted local users.
Validation and detection
- Inventory installed Wondershare software and service versions.
- Confirm whether the ElevationService service exists.
- Review the service path for unquoted paths containing spaces.
- Check endpoint logs for unexpected service executable changes.
- Document systems confirmed affected, remediated, or not applicable.
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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-36977 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-49101CVE reference · exploit
- Vendor HomepageCVE reference · product
- Software Product PageCVE reference · product
- VulnCheck Advisory: Wondershare Driver Install Service help 10.7.1.321 - 'ElevationService' Unquote 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.