CVE-2021-3138
Quick assessment
Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Discourse是一套开源的社区讨论平台。该平台包括社区、电子邮件和聊天室等功能。 Discourse 2.7.0 through beta1 存在安全漏洞，该漏洞源于2FA依赖于certain forms rate-limit。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1110.004 · Credential Stuffing
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I. Basic Information for CVE-2021-3138
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Discourse 2.7.0 through beta1, a rate-limit bypass leads to a bypass of the 2FA requirement for certain forms.
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
Discourse 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Discourse是一套开源的社区讨论平台。该平台包括社区、电子邮件和聊天室等功能。 Discourse 2.7.0 through beta1 存在安全漏洞，该漏洞源于2FA依赖于certain forms rate-limit。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-3138
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Discource POC | https://github.com/Mesh3l911/CVE-2021-3138 | POC Details |
AI-Generated POC
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Exploits & Public PoCs for CVE-2021-3138 (1)
Other References for CVE-2021-3138 (2)
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https://github.com/Mesh3l911/Disource x_refsource_MISC
-
https://github.com/discourse/discourse/releases x_refsource_MISC
Same Patch Batch · n/a · 2021-01-14 · 10 CVEs total
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| CVE-2020-29019 | Fortinet FortiWeb 缓冲区错误漏洞 | |
| CVE-2021-21722 | ZTE ZXV10 B860A 日志信息泄露漏洞 | |
| CVE-2020-27368 | TotoLink A702r 访问控制错误漏洞 | |
| CVE-2020-26733 | Skyworth Gn542vf 跨站脚本漏洞 | |
| CVE-2020-29587 | Simplcommerce 跨站脚本漏洞 | |
| CVE-2020-26732 | Skyworth Gn542vf 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-3138
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