CVE-2021-30503
The unofficial GLSL Linting extension before 1.4.0 for Visual Studio Code allows remote code...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-30503- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-30503- Updated
- 2026-11-02
EUVDEUVD-2021-17424 No score
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.
- Record
EUVD-2021-17424- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hm4p-g93x-crgm
The unofficial GLSL Linting extension before 1.4.0 for Visual Studio Code allows remote code...
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.
- Record
GHSA-hm4p-g93x-crgm- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-863
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-30503- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30503 is a critical vulnerability (CVSS 9.8) in Glsl Linting Project Linting, published April 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.91%, the 87th percentile. No source names a fixed version.