CVE-2021-28953
HIGHCVSS 7.8/10EPSS 1.01%
Last modified
CVE-2021-28953 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The unofficial C/C++ Advanced Lint extension before 1.9.0 for Visual Studio Code allows attackers to execute arbitrary binaries if the user opens a crafted repository.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.
Description
The unofficial C/C++ Advanced Lint extension before 1.9.0 for Visual Studio Code allows attackers to execute arbitrary binaries if the user opens a crafted repository.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| C\/C\+\+ Advanced Lint Project | C\/C\+\+ Advanced Lint | < 1.9.0 |
References
- https://github.com/jbenden/vscode-c-cpp-flylint/compare/v1.8.2...v1.9.0Patch, Third Party Advisory
- https://marketplace.visualstudio.com/items?itemName=jbenden.c-cpp-flylintProduct, Third Party Advisory
- https://vuln.ryotak.me/advisories/16Third Party Advisory
- https://github.com/jbenden/vscode-c-cpp-flylint/compare/v1.8.2...v1.9.0Patch, Third Party Advisory
- https://marketplace.visualstudio.com/items?itemName=jbenden.c-cpp-flylintProduct, Third Party Advisory
- https://vuln.ryotak.me/advisories/16Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-28953?
The unofficial C/C++ Advanced Lint extension before 1.9.0 for Visual Studio Code allows attackers to execute arbitrary binaries if the user opens a crafted repository.
How severe is CVE-2021-28953?
CVE-2021-28953 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.
How do I fix CVE-2021-28953?
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-2021-28953?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST