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CVE-2020-26877

Quick assessment

Affected
n/a n/a
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.

ApiFest OAuth 2.0 Server是ApiFest开源的一种 OAuth 2.0 协议的 ApiFest OAuth 2.0 Server Java 实现。 ApiFest OAuth 2.0 Server 0.3.1 版本存在安全漏洞，该漏洞源于不根据 RFC 6749 验证重定向 URI。攻击者利用该漏洞可使用受攻击者控制的被操纵的重定向 URI（redirect_uri 参数）来制作请求，从而在服务器将客户端重定向到带有授权码的被操纵的重定向 URI 时获得泄露的授权码。

AI Predicted 6.7 Difficulty: Trivial EPSS 0.83% · P56

Possible ATT&CK Techniques 1 AI

T1539 · Steal Web Session Cookie
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I. Basic Information for CVE-2020-26877

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
ApiFest OAuth 2.0 Server 0.3.1 does not validate the redirect URI in accordance with RFC 6749 and is susceptible to an open redirector attack. Specifically, it directly sends an authorization code to the redirect URI submitted with the authorization request, without checking whether the redirect URI is registered by the client who initiated the request. This allows an attacker to craft a request with a manipulated redirect URI (redirect_uri parameter), which is under the attacker's control, and consequently obtain the leaked authorization code when the server redirects the client to the manipulated redirect URI with an authorization code. NOTE: this is similar to CVE-2019-3778.
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
ApiFest OAuth 2.0 Server 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ApiFest OAuth 2.0 Server是ApiFest开源的一种 OAuth 2.0 协议的 ApiFest OAuth 2.0 Server Java 实现。 ApiFest OAuth 2.0 Server 0.3.1 版本存在安全漏洞，该漏洞源于不根据 RFC 6749 验证重定向 URI。攻击者利用该漏洞可使用受攻击者控制的被操纵的重定向 URI（redirect_uri 参数）来制作请求，从而在服务器将客户端重定向到带有授权码的被操纵的重定向 URI 时获得泄露的授权码。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
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II. Public POCs for CVE-2020-26877

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III. Intelligence Information for CVE-2020-26877

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Other References for CVE-2020-26877 (3)

Same Patch Batch · n/a · 2022-06-29 · 26 CVEs total

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CVE-2022-33107 ThinkPHP 代码问题漏洞
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CVE-2022-29272 Nagios XI 输入验证错误漏洞

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

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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