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CVE-2021-21415— Visual Studio Code Prisma Extension Remote Code Execution Vulnerability

Quick assessment

Affected
prisma language-tools
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Prisma VS Code extension是一个代码扩展程序，可为prisma文件进行语法高亮、格式化、改名、快速修复等。 Prisma VS Code extension 存在安全漏洞，攻击者可利用该漏洞远程代码执行。

CVSS 7.8 · High EPSS 2.10% · P81
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I. Basic Information for CVE-2021-21415

Vulnerability Information
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Vulnerability Title
Visual Studio Code Prisma Extension Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Prisma VS Code a VSCode extension for Prisma schema files. This is a Remote Code Execution Vulnerability that affects all versions of the Prisma VS Code extension older than 2.20.0. If a custom binary path for the Prisma format binary is set in VS Code Settings, for example by downloading a project that has a .vscode/settings.json file that sets a value for "prismaFmtBinPath". That custom binary is executed when auto-formatting is triggered by VS Code or when validation checks are triggered after each keypress on a *.prisma file. Fixed in versions 2.20.0 and 20.0.27. As a workaround users can either edit or delete the `.vscode/settings.json` file or check if the binary is malicious and delete it.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Prisma VS Code extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Prisma VS Code extension是一个代码扩展程序，可为prisma文件进行语法高亮、格式化、改名、快速修复等。 Prisma VS Code extension 存在安全漏洞，攻击者可利用该漏洞远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
prisma language-tools >= 2.1.0, < 2.20.0 -

II. Public POCs for CVE-2021-21415

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III. Intelligence Information for CVE-2021-21415

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Patches & Fixes for CVE-2021-21415 (1)

Vendor Advisories for CVE-2021-21415 (1)

Other References for CVE-2021-21415 (2)

IV. Related Vulnerabilities

Same vendor: prisma
Same weakness: CWE-94

V. Comments for CVE-2021-21415

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