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CVE-2022-31184— Email activation route can be abused by spammers in Discourse

Quick assessment

Affected
discourse discourse
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.

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 stable 2.8.6及之前版本、Discourse beta 2.9.0.beta7及之前版本、Discourse tests-passed 2.9.0.beta7及之前版本存在安全漏洞，该漏洞源于恶意行为者可以绕过update_activate_email路由的现有速率限制，代表站点发送垃圾邮件注册电子邮件。

CVSS 6.5 · Medium EPSS 0.66% · P49

Possible ATT&CK Techniques 1 AI

T1498 · Network Denial of Service
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I. Basic Information for CVE-2022-31184

Vulnerability Information
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Vulnerability Title
Email activation route can be abused by spammers in Discourse
Source: CVE Program / CVE List V5
Vulnerability Description
Discourse is the an open source discussion platform. In affected versions an email activation route can be abused to send mass spam emails. A fix has been included in the latest stable, beta and tests-passed versions of Discourse which rate limits emails. Users are advised to upgrade. Users unable to upgrade should manually rate limit email.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
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 stable 2.8.6及之前版本、Discourse beta 2.9.0.beta7及之前版本、Discourse tests-passed 2.9.0.beta7及之前版本存在安全漏洞，该漏洞源于恶意行为者可以绕过update_activate_email路由的现有速率限制，代表站点发送垃圾邮件注册电子邮件。
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
discourse discourse < 2.8.7 -

II. Public POCs for CVE-2022-31184

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III. Intelligence Information for CVE-2022-31184

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Patches & Fixes for CVE-2022-31184 (1)

Vendor Advisories for CVE-2022-31184 (1)

IV. Related Vulnerabilities

Same product: discourse
Same vendor: discourse
Same weakness: CWE-770

V. Comments for CVE-2022-31184

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