CVE-2024-21654— rubygems.org MFA Bypass through password reset function could allow account takeover
Quick assessment
Affected
rubygems rubygems.org
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.
RubyGems是RubyGems组织的一款Ruby程序包管理器。该产品主要用于发布和管理Ruby程序包。 RubyGems存在授权问题漏洞，该漏洞源于允许攻击者绕过MFA要求并接管帐户。
Possible ATT&CK Techniques 2 AI
T1528 · Steal Application Access Token T1110.003 · Password Spraying
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I. Basic Information for CVE-2024-21654
Vulnerability Information
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Vulnerability Title
rubygems.org MFA Bypass through password reset function could allow account takeover
Source: CVE Program / CVE List V5
Vulnerability Description
Rubygems.org is the Ruby community's gem hosting service. Rubygems.org users with MFA enabled would normally be protected from account takeover in the case of email account takeover. However, a workaround on the forgotten password form allows an attacker to bypass the MFA requirement and takeover the account. This vulnerability has been patched in commit 0b3272a.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
RubyGems 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RubyGems是RubyGems组织的一款Ruby程序包管理器。该产品主要用于发布和管理Ruby程序包。 RubyGems存在授权问题漏洞，该漏洞源于允许攻击者绕过MFA要求并接管帐户。
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 |
|---|---|---|---|---|
| rubygems | rubygems.org | < commit 0b3272a | - |
|
II. Public POCs for CVE-2024-21654
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2024-21654 (1)
Vendor Advisories for CVE-2024-21654 (1)
-
https://github.com/rubygems/rubygems.org/security/advisories/GHSA-4v23-vj8h-7jp2 x_refsource_CONFIRM
IV. Related Vulnerabilities
Same product: rubygems.org
-
CVE-2024-35221
Denial of service when publishing a package on rubygems.org -
CVE-2023-40165
Unauthorized gem replacement for full names ending in number -
CVE-2022-36073
RubyGems allows creation of users with arbitrary unverified -
CVE-2022-29218
Unauthorized takeover for new versions of some platform-spec -
CVE-2022-29176
Unauthorized gem takeover for some gems on rubygems.org
Same vendor: rubygems
-
CVE-2024-35221
Denial of service when publishing a package on rubygems.org -
CVE-2023-40165
Unauthorized gem replacement for full names ending in number -
CVE-2022-36073
RubyGems allows creation of users with arbitrary unverified -
CVE-2022-29218
Unauthorized takeover for new versions of some platform-spec -
CVE-2022-29176
Unauthorized gem takeover for some gems on rubygems.org
Same weakness: CWE-287
-
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CVE-2026-107162
Express Gateway through 1.16.11 OAuth 2.0 Refresh Token Vali -
CVE-2026-83540
wolfSSHd on Windows race condition leading to logon token re
V. Comments for CVE-2024-21654
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