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CVE-2021-24037

Quick assessment

Affected
Facebook Hermes
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.

Facebook Hermes是美国Facebook公司的一个JavaScript引擎。该引擎针对React Native应用，去提高移动客户端应用App的性能，但是对浏览器 & Node.js 等服务端基础架构并不适用。 hermes 中存在资源管理错误漏洞，该漏洞源于未对输入数据进行安全性检查，攻击者可通过构造特殊的javascript执行代码。以下产品及版本受到影响：hermes d86e185e485b6330216dee8e854455c694e3a36e 之前版本受到影响。

AI Predicted 6.5 Difficulty: Moderate EPSS 1.80% · P76
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I. Basic Information for CVE-2021-24037

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A use after free in hermes, while emitting certain error messages, prior to commit d86e185e485b6330216dee8e854455c694e3a36e allows attackers to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Facebook Hermes 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Facebook Hermes是美国Facebook公司的一个JavaScript引擎。该引擎针对React Native应用，去提高移动客户端应用App的性能，但是对浏览器 & Node.js 等服务端基础架构并不适用。 hermes 中存在资源管理错误漏洞，该漏洞源于未对输入数据进行安全性检查，攻击者可通过构造特殊的javascript执行代码。以下产品及版本受到影响：hermes d86e185e485b6330216dee8e854455c694e3a36e 之前版本受到影响。
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
Facebook Hermes commit prior to d86e185e485b6330216dee8e854455c694e3a36e -

II. Public POCs for CVE-2021-24037

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III. Intelligence Information for CVE-2021-24037

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Patches & Fixes for CVE-2021-24037 (1)

Other References for CVE-2021-24037 (1)

IV. Related Vulnerabilities

Same product: Hermes
Same vendor: Facebook
Same weakness: CWE-416

V. Comments for CVE-2021-24037

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