Security readout for executives and security teams
Plain-English summary
This CVE describes remote code execution in the Visual Studio Code JSHint extension. Successful exploitation could let code run with the privileges of the user running VS Code, affecting confidentiality, integrity, and availability. The source bundle does not provide trigger details or confirm active exploitation.
Executive priority
Prioritize remediation for developer workstations because compromise could affect source code, credentials, and build workflows. Treat as high priority, but not an emergency unless internal exposure or vendor intelligence indicates exploitation.
Technical view
CVE-2020-17104 is rated high with CVSS 3.1 score 7.8. The vector is local, low complexity, no privileges required, and user interaction required. Impact is high across confidentiality, integrity, and availability. The bundle lists Microsoft Visual Studio Code/JSHint extension context and references MSRC guidance.
Likely exposure
Exposure is most likely on developer workstations where the affected Visual Studio Code/JSHint extension is installed. The provided data lists version 1.0.0 but does not include full version-range detail beyond the source metadata.
Exploitation context
CISA KEV is false, and the supplied sources do not state active exploitation. CVSS indicates exploitation requires local context and user interaction, with no privileges required. Exact triggering conditions are not described in the source bundle.
Researcher notes
The bundle lacks CWE, detailed vulnerable code path, exploit narrative, and exact remediation version. Analysis should stay anchored to MSRC and CVE records. Further validation should focus on installed extension presence, version evidence, and vendor advisory details.
Mitigation direction
- Review Microsoft MSRC guidance for CVE-2020-17104.
- Apply the vendor-supported update or removal guidance.
- Inventory developer endpoints for VS Code and the JSHint extension.
- Disable or remove affected extension installations pending vendor guidance.
Validation and detection
- Check endpoint software inventory for VS Code and the JSHint extension.
- Confirm installed extension versions against Microsoft advisory guidance.
- Verify remediation through endpoint management or extension inventory records.
- Document any remaining affected developer systems and owner follow-up.
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.
Execution 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-2020-17104 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:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
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:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17104CVE reference · x_refsource_MISC
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.