{"id":"CVE-2021-30503","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-30503","generatedAt":"2026-10-27T20:21:02.855Z","title":"The unofficial GLSL Linting extension before 1.4.0 for Visual Studio Code allows remote code execution via a crafted glslangValidatorPath in the workspace configuration.","description":"The unofficial GLSL Linting extension before 1.4.0 for Visual Studio Code allows remote code execution via a crafted glslangValidatorPath in the workspace configuration.","published":"2021-04-13T02:15:13.000Z","lastModified":"2026-06-17T03:50:21.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["glsl linting project/glsl linting"],"epss":{"score":0.02908,"percentile":0.86882,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/hsimpson/vscode-glsllint/commit/3effba525bdff7d4257e66a6815ff956d2bce8ac","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://marketplace.visualstudio.com/items/CADENAS.vscode-glsllint/changelog#:~:text=1.4.x","tags":["Release Notes","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://vuln.ryotak.me/advisories/27","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/hsimpson/vscode-glsllint/commit/3effba525bdff7d4257e66a6815ff956d2bce8ac","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://marketplace.visualstudio.com/items/CADENAS.vscode-glsllint/changelog#:~:text=1.4.x","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vuln.ryotak.me/advisories/27","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-30503","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}