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CVE-2021-23385— Open Redirect

Quick assessment

Affected
n/a Flask-Security
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.

Flask-Security是一个应用软件。快速向Flask应用程序添加安全功能。 Flask-Security 存在输入验证错误漏洞，该漏洞源于对用户提供的数据处理不当，从而允许远程攻击者将受害者重定向到任意URL。

CVSS 5.4 · Medium EPSS 1.14% · P64

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-23385

Vulnerability Information
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Vulnerability Title
Open Redirect
Source: CVE Program / CVE List V5
Vulnerability Description
This affects all versions of package Flask-Security. When using the get_post_logout_redirect and get_post_login_redirect functions, it is possible to bypass URL validation and redirect a user to an arbitrary URL by providing multiple back slashes such as \\\evil.com/path. This vulnerability is only exploitable if an alternative WSGI server other than Werkzeug is used, or the default behaviour of Werkzeug is modified using 'autocorrect_location_header=False. **Note:** Flask-Security is not maintained anymore.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Flask-Security 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flask-Security是一个应用软件。快速向Flask应用程序添加安全功能。 Flask-Security 存在输入验证错误漏洞，该漏洞源于对用户提供的数据处理不当，从而允许远程攻击者将受害者重定向到任意URL。
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
- Flask-Security 0 ~ unspecified -

II. Public POCs for CVE-2021-23385

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III. Intelligence Information for CVE-2021-23385

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Vendor Advisories for CVE-2021-23385 (2)

Mailing List Discussions for CVE-2021-23385 (1)

Other References for CVE-2021-23385 (1)

Same Patch Batch · n/a · 2022-08-02 · 38 CVEs total

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CVE-2022-34948 Pharmacy Management System SQL注入漏洞

Showing top 20 of 38 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Flask-Security
Same vendor: n/a

V. Comments for CVE-2021-23385

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