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CVE-2020-4399

Quick assessment

Affected
IBM Verify Gateway (IVG)
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.

IBM Verify Gateway（IVG）是美国IBM公司的一套基于云的身份验证解决方案。 IBM IVG PAM 1.0.0版本和1.0.1版本中的Authd服务存在安全漏洞。攻击者可借助格式错误的请求利用该漏洞造成拒绝服务。

AI Predicted 6.5 Difficulty: Easy EPSS 1.14% · P64

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-4399

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Verify Gateway (IVG) 1.0.0 and 1.0.1 could allow an authenticated user to send malformed requests to cause a denial of service against the server. IBM X-Force ID: 179476.
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
IBM Verify Gateway 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM Verify Gateway（IVG）是美国IBM公司的一套基于云的身份验证解决方案。 IBM IVG PAM 1.0.0版本和1.0.1版本中的Authd服务存在安全漏洞。攻击者可借助格式错误的请求利用该漏洞造成拒绝服务。
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
IBM Verify Gateway (IVG) 1.0.0 -

II. Public POCs for CVE-2020-4399

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III. Intelligence Information for CVE-2020-4399

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Vendor Advisories for CVE-2020-4399 (2)

Same Patch Batch · IBM · 2020-07-22 · 7 CVEs total

CVE-2020-4400 IBM Verify Gateway 安全漏洞
CVE-2020-4385 IBM Verify Gateway 信任管理问题漏洞
CVE-2020-4397 IBM Verify Gateway 安全漏洞
CVE-2020-4371 IBM Verify Gateway 安全漏洞
CVE-2020-4372 IBM Verify Gateway 安全漏洞
CVE-2020-4369 IBM Verify Gateway 安全漏洞

IV. Related Vulnerabilities

Same product: Verify Gateway (IVG)
Same vendor: IBM

V. Comments for CVE-2020-4399

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