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CVE-2021-21488

Quick assessment

Affected
SAP SE SAP NetWeaver Knowledge Management
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.

SAP NetWeaver Knowledge Management Configuration Service是德国思爱普（SAP）公司的一款知识管理解决方案配置服务。 SAP NetWeaver Knowledge Management Configuration Service versions 7.01, 7.02, 7.30, 7.31, 7.40, 7.50 存在安全漏洞，该漏洞允许具有基本权限的远程攻击者在不经过验证的情况下对用户控制的数据进行反序列化，导致反序列化不安全，触发攻击者的代码，

AI Predicted 7.5 Difficulty: Easy EPSS 1.29% · P68

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-21488

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Knowledge Management versions 7.01, 7.02, 7.30, 7.31, 7.40, 7.50 allows a remote attacker with basic privileges to deserialize user-controlled data without verification, leading to insecure deserialization which triggers the attacker’s code, therefore impacting Availability.
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
SAP NetWeaver Knowledge Management Configuration Service 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAP NetWeaver Knowledge Management Configuration Service是德国思爱普（SAP）公司的一款知识管理解决方案配置服务。 SAP NetWeaver Knowledge Management Configuration Service versions 7.01, 7.02, 7.30, 7.31, 7.40, 7.50 存在安全漏洞，该漏洞允许具有基本权限的远程攻击者在不经过验证的情况下对用户控制的数据进行反序列化，导致反序列化不安全，触发攻击者的代码，
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
SAP SE SAP NetWeaver Knowledge Management < 7.01 -

II. Public POCs for CVE-2021-21488

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III. Intelligence Information for CVE-2021-21488

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Other References for CVE-2021-21488 (2)

Same Patch Batch · SAP SE · 2021-03-09 · 16 CVEs total

CVE-2021-27592 SAP 3D Visual Enterprise Viewer 安全漏洞
CVE-2021-27590 SAP 3D Visual Enterprise Viewer 安全漏洞
CVE-2021-27584 SAP 3D Visual Enterprise Viewer 安全漏洞
CVE-2021-27588 SAP 3D Visual Enterprise Viewer 安全漏洞
CVE-2021-27586 SAP 3D Visual Enterprise Viewer 安全漏洞
CVE-2021-27587 SAP 3D Visual Enterprise Viewer 安全漏洞
CVE-2021-27591 SAP 3D Visual Enterprise Viewer 安全漏洞
CVE-2021-27589 SAP 3D Visual Enterprise Viewer 安全漏洞
CVE-2021-27585 SAP 3D Visual Enterprise Viewer 安全漏洞
CVE-2021-21484 SAP HANA 安全漏洞
CVE-2021-21487 思爱普 SAP Payment Engine 安全漏洞
CVE-2021-21480 SAP MII 代码注入漏洞
CVE-2021-21493 SAP 3D Visual Enterprise Viewer 安全漏洞
CVE-2021-21486 SAP Enterprise Financial Services 安全漏洞
CVE-2021-21481 SAP Netweaver 安全漏洞

IV. Related Vulnerabilities

Same vendor: SAP SE

V. Comments for CVE-2021-21488

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