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CVE-2021-34600— Telenot complex: Insecure AES Key Generation

Quick assessment

Affected
Telenot Electronic GmbH CompasX
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Telenot CompasX是Telenot公司的一个参数设置软件。 Telenot CompasX 存在安全特征问题漏洞，该漏洞源于使用弱种子生成随机数从而导致存在被解密的风险。

CVSS 5.5 · Medium EPSS 0.41% · P36

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys
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I. Basic Information for CVE-2021-34600

Vulnerability Information
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Vulnerability Title
Telenot complex: Insecure AES Key Generation
Source: CVE Program / CVE List V5
Vulnerability Description
Telenot CompasX versions prior to 32.0 use a weak seed for random number generation leading to predictable AES keys used in the NFC tags used for local authorization of users. This may lead to total loss of trustworthiness of the installation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
PRNG种子错误
Source: CVE Program / CVE List V5
Vulnerability Title
Telenot CompasX 安全特征问题特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Telenot CompasX是Telenot公司的一个参数设置软件。 Telenot CompasX 存在安全特征问题漏洞，该漏洞源于使用弱种子生成随机数从而导致存在被解密的风险。
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
Telenot Electronic GmbH CompasX unspecified ~ 32.0 -

II. Public POCs for CVE-2021-34600

# POC Description Source Link Shenlong Link
1 None https://github.com/x41sec/CVE-2021-34600 POC Details
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III. Intelligence Information for CVE-2021-34600

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Other References for CVE-2021-34600 (1)

IV. Related Vulnerabilities

Same weakness: CWE-335