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CVE-2021-4138

Quick assessment

Affected
Mozilla geckodriver
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.

geckodriver是一个应用软件。提供了WebDriver 协议描述的 HTTP API来与 Gecko 浏览器进行通信。 geckodriver 0.30.0 之前版本存在安全漏洞，该漏洞源于改进了主机标头检查，以拒绝未发送到已知本地主机名或 IP 或服务器指定主机名的请求。

AI Predicted 5.3 Difficulty: Easy EPSS 0.85% · P57

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-4138

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improved Host header checks to reject requests not sent to a well-known local hostname or IP, or the server-specified hostname.
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
geckodriver安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
geckodriver是一个应用软件。提供了WebDriver 协议描述的 HTTP API来与 Gecko 浏览器进行通信。 geckodriver 0.30.0 之前版本存在安全漏洞，该漏洞源于改进了主机标头检查，以拒绝未发送到已知本地主机名或 IP 或服务器指定主机名的请求。
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
Mozilla geckodriver unspecified ~ 0.30.0 -

II. Public POCs for CVE-2021-4138

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III. Intelligence Information for CVE-2021-4138

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Vendor Advisories for CVE-2021-4138 (1)

Other References for CVE-2021-4138 (1)

IV. Related Vulnerabilities

Same vendor: Mozilla

V. Comments for CVE-2021-4138

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