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CVE-2020-4766

Quick assessment

Affected
IBM MQ Internet Pass-Thru
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 MQ Internet Pass-Thru是美国IBM公司的一个用于支持在Internet上的远程站点之间实现消息传递的产品。该产品为IBM MQ的扩展功能组件，可充当在交互过程中建立协议通道或代理，使IBM MQ通道协议通过防火墙的进出更加简单和易于管理。 IBM MQ Internet Pass-Thru 2.1 and 9.2存在安全漏洞，该漏洞允许远程用户通过发送将消耗所有可用资源的格式错误的MQ数据请求而导致拒绝服务。

AI Predicted 5.3 Difficulty: Easy EPSS 1.47% · P72

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-4766

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM MQ Internet Pass-Thru 2.1 and 9.2 could allow a remote user to cause a denial of service by sending malformed MQ data requests which would consume all available resources. IBM X-Force ID: 188093.
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 MQ Internet Pass-Thru 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM MQ Internet Pass-Thru是美国IBM公司的一个用于支持在Internet上的远程站点之间实现消息传递的产品。该产品为IBM MQ的扩展功能组件，可充当在交互过程中建立协议通道或代理，使IBM MQ通道协议通过防火墙的进出更加简单和易于管理。 IBM MQ Internet Pass-Thru 2.1 and 9.2存在安全漏洞，该漏洞允许远程用户通过发送将消耗所有可用资源的格式错误的MQ数据请求而导致拒绝服务。
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 MQ Internet Pass-Thru 2.1 -

II. Public POCs for CVE-2020-4766

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III. Intelligence Information for CVE-2020-4766

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Vendor Advisories for CVE-2020-4766 (2)

IV. Related Vulnerabilities

Same product: MQ Internet Pass-Thru
Same vendor: IBM

V. Comments for CVE-2020-4766

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