CVE-2021-30503
CRITICALCVSS 9.8/10EPSS 2.91%
Last modified
CVE-2021-30503 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.91% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Glsl Linting Project | Glsl Linting | < 1.4.0 |
References
- https://github.com/hsimpson/vscode-glsllint/commit/3effba525bdff7d4257e66a6815ff956d2bce8acPatch, Third Party Advisory
- https://marketplace.visualstudio.com/items/CADENAS.vscode-glsllint/changelog#:~:text=1.4.xRelease Notes, Third Party Advisory
- https://vuln.ryotak.me/advisories/27Third Party Advisory
- https://github.com/hsimpson/vscode-glsllint/commit/3effba525bdff7d4257e66a6815ff956d2bce8acPatch, Third Party Advisory
- https://marketplace.visualstudio.com/items/CADENAS.vscode-glsllint/changelog#:~:text=1.4.xRelease Notes, Third Party Advisory
- https://vuln.ryotak.me/advisories/27Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30503?
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.
How severe is CVE-2021-30503?
CVE-2021-30503 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.91% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30503?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-30503?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST