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CVE-2020-5408— Dictionary attack with Spring Security queryable text encryptor

Quick assessment

Affected
Spring by VMware Spring Security
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.

Vmware VMware Spring Security是美国威睿（Vmware）公司的一套为基于Spring的应用程序提供说明性安全保护的安全框架。 VMware Spring Security中存在安全特征问题漏洞。攻击者可借助字典攻击利用该漏洞获取未加密的值。以下产品及版本受到影响：Spring Security 5.3.2之前的5.3.x版本，5.2.4之前的5.2.x版本，5.1.10之前的5.1.x版本，5.0.16之前的5.0.x版本，4.2.16之前的4.2.x版本。

AI Predicted 7.5 Difficulty: Moderate EPSS 1.59% · P75

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys
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I. Basic Information for CVE-2020-5408

Vulnerability Information
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Vulnerability Title
Dictionary attack with Spring Security queryable text encryptor
Source: CVE Program / CVE List V5
Vulnerability Description
Spring Security versions 5.3.x prior to 5.3.2, 5.2.x prior to 5.2.4, 5.1.x prior to 5.1.10, 5.0.x prior to 5.0.16 and 4.2.x prior to 4.2.16 use a fixed null initialization vector with CBC Mode in the implementation of the queryable text encryptor. A malicious user with access to the data that has been encrypted using such an encryptor may be able to derive the unencrypted values using a dictionary attack.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在CBC加密模式中未使用随机化IV向量
Source: CVE Program / CVE List V5
Vulnerability Title
Vmware VMware Spring Security 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vmware VMware Spring Security是美国威睿（Vmware）公司的一套为基于Spring的应用程序提供说明性安全保护的安全框架。 VMware Spring Security中存在安全特征问题漏洞。攻击者可借助字典攻击利用该漏洞获取未加密的值。以下产品及版本受到影响：Spring Security 5.3.2之前的5.3.x版本，5.2.4之前的5.2.x版本，5.1.10之前的5.1.x版本，5.0.16之前的5.0.x版本，4.2.16之前的4.2.x版本。
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
Spring by VMware Spring Security 4.2 ~ 4.2.16 -

II. Public POCs for CVE-2020-5408

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III. Intelligence Information for CVE-2020-5408

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Vendor Advisories for CVE-2020-5408 (3)

Other References for CVE-2020-5408 (1)

IV. Related Vulnerabilities

Same product: Spring Security
Same vendor: Spring by VMware
Same weakness: CWE-329

V. Comments for CVE-2020-5408

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