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CVE-2021-21220

Quick assessment

Affected
Google Chrome
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Google Chrome是美国谷歌（Google）公司的一款Web浏览器。 Google Chrome V8 engine 存在输入验证错误漏洞，该漏洞允许远程攻击者在目标系统上执行任意代码。远程攻击者可以创建一个特制的web页面，诱使受害者打开它，触发整数溢出，并在目标系统上执行任意代码。

AI Predicted 8.8 Difficulty: Easy KEV EPSS 70.44% · P99

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-21220

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Google Chrome 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Chrome是美国谷歌（Google）公司的一款Web浏览器。 Google Chrome V8 engine 存在输入验证错误漏洞，该漏洞允许远程攻击者在目标系统上执行任意代码。远程攻击者可以创建一个特制的web页面，诱使受害者打开它，触发整数溢出，并在目标系统上执行任意代码。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Google Chrome unspecified ~ 89.0.4389.128 -

II. Public POCs for CVE-2021-21220

# POC Description Source Link Shenlong Link
1 None https://github.com/security-dbg/CVE-2021-21220 POC Details
2 None https://github.com/AmesianX/CVE-2021-21220 POC Details
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III. Intelligence Information for CVE-2021-21220

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Vendor Advisories for CVE-2021-21220 (2)

Exploits & Public PoCs for CVE-2021-21220 (1)

Mailing List Discussions for CVE-2021-21220 (3)

Other References for CVE-2021-21220 (1)

Same Patch Batch · Google · 2021-04-26 · 26 CVEs total

CVE-2021-21213 Google Chrome 资源管理错误漏洞
CVE-2021-21206 谷歌 Google Chrome 资源管理错误漏洞
CVE-2021-21202 Google Chrome 资源管理错误漏洞
CVE-2021-21201 谷歌 Google Chrome 资源管理错误漏洞
CVE-2021-21203 Google Blink 资源管理错误漏洞
CVE-2021-21205 谷歌 Google Chrome 权限许可和访问控制问题漏洞
CVE-2021-21204 Google Blink 资源管理错误漏洞
CVE-2021-21207 谷歌 Google Chrome 资源管理错误漏洞
CVE-2021-21209 Google Chrome 访问控制错误漏洞
CVE-2021-21208 谷歌 Google Chrome 输入验证错误漏洞
CVE-2021-21210 Google Chrome 安全漏洞
CVE-2021-21212 Google Chrome 安全漏洞
CVE-2021-21211 Google Chrome 访问控制错误漏洞
CVE-2021-21225 Google Chrome 缓冲区错误漏洞
CVE-2021-21215 Google Chrome 安全特征问题漏洞
CVE-2021-21214 Google Chrome 资源管理错误漏洞
CVE-2021-21216 Google Chrome 安全特征问题漏洞
CVE-2021-21218 Google Chrome 安全漏洞
CVE-2021-21217 Google Chrome 信息泄露漏洞
CVE-2021-21219 Google Chrome 信息泄露漏洞

Showing top 20 of 26 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Chrome
Same vendor: Google

V. Comments for CVE-2021-21220

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