Security readout for executives and security teams
Plain-English summary
CVE-2020-23438 is a local privilege escalation issue reported in Wondershare Filmora 9.2.11. A user with limited access could potentially cause the application to load a malicious DLL and gain higher privileges. The provided sources do not identify a vendor patch, broader affected versions, or confirmed active exploitation.
Executive priority
Treat this as a targeted endpoint hygiene and privilege escalation risk. Prioritize environments where Filmora 9.2.11 is installed on shared, unmanaged, or high-value workstations. Urgency is high if the software is present; otherwise exposure is likely narrow.
Technical view
The vulnerability is classified as CWE-427, an uncontrolled search path or DLL hijacking weakness. CVSS 3.1 rates it 7.8 high with local attack vector, low complexity, low privileges required, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure appears limited to systems with Wondershare Filmora 9.2.11 installed. The source bundle does not provide CPEs, operating systems, deployment patterns, or evidence that other Filmora versions are affected.
Exploitation context
The CVE is not listed as KEV in the provided bundle. The cited description supports local privilege escalation via Trojan DLL hijacking, but it does not support claims of active exploitation or remote exploitation.
Researcher notes
Evidence is sparse. The CVE record identifies Filmora 9.2.11, CWE-427, and high CVSS impact, but the affected CPEs and remediation status are unspecified. Avoid expanding scope beyond the named version without vendor or additional source confirmation.
Mitigation direction
- Inventory endpoints for Wondershare Filmora 9.2.11 installations.
- Check Wondershare guidance for fixed builds, removal advice, or vendor-supported mitigations.
- Remove or upgrade Filmora 9.2.11 where there is no business requirement.
- Restrict local software execution and installation to managed users.
- Monitor for unexpected DLL loading behavior around Filmora processes.
Validation and detection
- Confirm whether Filmora 9.2.11 exists on managed endpoints.
- Review software inventory for unmanaged or legacy Filmora installations.
- Check vendor support channels for patch or upgrade availability.
- Validate endpoint telemetry for suspicious Filmora-adjacent DLL loads.
- Document whether compensating controls cover local privilege escalation risk.
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-427: 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-2020-23438 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
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
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.
Uncontrolled Search Path Element
Uncontrolled Search Path Element represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.