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CVE-2020-4839

Quick assessment

Affected
IBM 8335-GTB
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.

LC-class Systems是一个图书馆分类系统。它是专为国会图书馆的目的和馆藏而设计的，它提供了一个图书馆实际藏书的指南。 LC-class Systems的IBM Host firmware存在缓冲区错误漏洞，该漏洞是由不适当的边界检查引起的。远程攻击者可利用该漏洞导致拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 1.52% · P72

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-4839

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Host firmware for LC-class Systems is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A remote privileged attacker could exploit this vulnerability and cause a denial of service. IBM X-Force ID: 190037.
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
LC-class Systems 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LC-class Systems是一个图书馆分类系统。它是专为国会图书馆的目的和馆藏而设计的，它提供了一个图书馆实际藏书的指南。 LC-class Systems的IBM Host firmware存在缓冲区错误漏洞，该漏洞是由不适当的边界检查引起的。远程攻击者可利用该漏洞导致拒绝服务。
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 8335-GTB OP820 -
IBM 8335-GTA OP820 -
IBM 8335-GCA OP820 -

II. Public POCs for CVE-2020-4839

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III. Intelligence Information for CVE-2020-4839

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Vendor Advisories for CVE-2020-4839 (2)

Same Patch Batch · IBM · 2021-05-25 · 3 CVEs total

CVE-2021-29708 IBM Spectrum Scale 安全漏洞
CVE-2021-29695 LC-class Systems 路径遍历漏洞

IV. Related Vulnerabilities

Same product: 8335-GTB
Same vendor: IBM

V. Comments for CVE-2020-4839

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