CVE-2021-34600

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-34600
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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.9 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:L/AC:L/Au:N/C:C/I:N/A:N

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact NONE

Availability Impact NONE

References
Link Resource
https://www.x41-dsec.de/lab/advisories/x41-2021-003-telenot-complex-insecure-keygen/ Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:telenot:compasx:*:*:*:*:*:*:*:*
History

09 Aug 2023, 11:15

Type Values Removed Values Added
Summary 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. 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.

07 Jul 2023, 19:14

Type Values Removed Values Added
CWE CWE-338 CWE-335

10 Sep 2022, 02:40

Type Values Removed Values Added
CVSS v2 : 5.0
v3 : 7.5 		v2 : 4.9
v3 : 5.5

28 Apr 2022, 15:15

Type Values Removed Values Added
Summary 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 authorization of users. 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.

27 Jan 2022, 14:33

Type Values Removed Values Added
CPE cpe:2.3:a:telenot:compasx:*:*:*:*:*:*:*:*
References (CONFIRM) https://www.x41-dsec.de/lab/advisories/x41-2021-003-telenot-complex-insecure-keygen/ - (CONFIRM) https://www.x41-dsec.de/lab/advisories/x41-2021-003-telenot-complex-insecure-keygen/ - Exploit, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
CWE CWE-338

20 Jan 2022, 12:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-01-20 12:15

Updated : 2024-02-04 22:08

NVD link : CVE-2021-34600

Mitre link : CVE-2021-34600

CVE.ORG link : CVE-2021-34600

JSON object : View

Products Affected

telenot

  • compasx
CWE
CWE-335

Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)