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CVE-2021-38921

Quick assessment

Affected
IBM Security Verify Access
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 Security Verify Access（ISAM）是美国IBM公司的一款提高用户访问安全的服务。该服务通过使用基于风险的访问、单点登录、集成访问管理控制、身份联合以及移动多因子认证实现对Web、移动、IoT 和云技术等平台安全简单的访问 IBM Security Verify 存在加密问题漏洞，该漏洞源于使用的加密算法比预期的要弱，可能允许攻击者解密高度敏感的信息。

AI Predicted 9.1 Difficulty: Easy EPSS 0.66% · P50

Possible ATT&CK Techniques 1 AI

T1532
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I. Basic Information for CVE-2021-38921

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Security Verify 10.0.0, 10.0.1.0, and 10.0.2.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 210067.
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 Security Verify 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM Security Verify Access（ISAM）是美国IBM公司的一款提高用户访问安全的服务。该服务通过使用基于风险的访问、单点登录、集成访问管理控制、身份联合以及移动多因子认证实现对Web、移动、IoT 和云技术等平台安全简单的访问 IBM Security Verify 存在加密问题漏洞，该漏洞源于使用的加密算法比预期的要弱，可能允许攻击者解密高度敏感的信息。
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 Security Verify Access 10.0.0 -

II. Public POCs for CVE-2021-38921

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III. Intelligence Information for CVE-2021-38921

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Vendor Advisories for CVE-2021-38921 (2)

Same Patch Batch · IBM · 2022-01-07 · 6 CVEs total

CVE-2021-38894 IBM Security Verify 信息泄露漏洞
CVE-2021-38895 IBM Security Verify Access 跨站脚本漏洞
CVE-2021-38956 IBM Security Verify 信息泄露漏洞
CVE-2021-38957 IBM Security Verify Access 输入验证错误漏洞
CVE-2021-38990 IBM AIX 权限许可和访问控制问题漏洞

IV. Related Vulnerabilities

Same product: Security Verify Access
Same vendor: IBM

V. Comments for CVE-2021-38921

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