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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.01% probability · 63th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-427
- Affected
- c\/c\+\+ advanced lint project/c\/c\+\+ advanced lint
- Source
- cve@mitre.org
EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.