{"cve":"CVE-2021-30502","nvd":{"published":"2021-04-25T03:15:07.203","modified":"2026-06-17T03:50:21.223","status":"Modified","description":"The unofficial vscode-ghc-simple (aka Simple Glasgow Haskell Compiler) extension before 0.2.3 for Visual Studio Code allows remote code execution via a crafted workspace configuration with replCommand.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["https://github.com/dramforever/vscode-ghc-simple/blob/master/CHANGELOG.md#v023","https://github.com/dramforever/vscode-ghc-simple/commit/bc7f6f0b857dade46ea51496d8bd1a4edef39b46","https://github.com/dramforever/vscode-ghc-simple/releases","https://vuln.ryotak.me/advisories/38","https://github.com/dramforever/vscode-ghc-simple/blob/master/CHANGELOG.md#v023"],"products":["simple_glasgow_haskell_compiler_project:simple_glasgow_haskell_compiler"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-30502","score":0.02899,"percentile":0.86944,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}