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CVE-2025-56221

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.

SigningHub是英国SigningHub公司的一个电子签名平台。 SigningHub 8.6.8版本存在安全漏洞，该漏洞源于登录机制缺少速率限制，可能导致暴力破解攻击绕过身份验证。

AI Predicted 5.3 Difficulty: Easy EPSS 0.60% · P47

Possible ATT&CK Techniques 1 AI

T1110.001 · Password Guessing
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I. Basic Information for CVE-2025-56221

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A lack of rate limiting in the login mechanism of SigningHub v8.6.8 allows attackers to bypass authentication via a brute force attack.
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
SigningHub 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SigningHub是英国SigningHub公司的一个电子签名平台。 SigningHub 8.6.8版本存在安全漏洞，该漏洞源于登录机制缺少速率限制，可能导致暴力破解攻击绕过身份验证。
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-2025-56221

# POC Description Source Link Shenlong Link
1 None https://github.com/saykino/CVE-2025-56221 POC Details
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III. Intelligence Information for CVE-2025-56221

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Same Patch Batch · n/a · 2025-10-17 · 12 CVEs total

CVE-2025-11849 9.3 CRITICAL Mammoth 安全漏洞
CVE-2025-60359 Radare2 安全漏洞
CVE-2025-60360 Radare2 安全漏洞
CVE-2025-60279 ILLA Builder 安全漏洞
CVE-2025-60361 radare2 安全漏洞
CVE-2025-57567 PluXml 安全漏洞
CVE-2025-60514 tillywork 安全漏洞
CVE-2025-56320 Cobblestone Enterprise Contract Management Software 安全漏洞
CVE-2025-56218 SigningHub 安全漏洞
CVE-2025-56316 MingSoft MCMS 安全漏洞
CVE-2025-57164 Flowise 安全漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-56221

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