5.5
MEDIUM
CVE-2021-34600
Telenot CompasX Weak Random Number Generation 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.

INFO

Published Date :

Jan. 20, 2022, 12:15 p.m.

Last Modified :

Sept. 16, 2024, 7:15 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2021-34600 has a 6 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-34600 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Telenot compasx
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-34600.

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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

All CVE - PoC in GitHub

poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate

Updated: 1 month, 1 week ago
5 stars 2 fork 2 watcher
Born at : March 22, 2024, 3:58 p.m. This repo has been linked 928 different CVEs too.

None

Updated: 6 months, 3 weeks ago
1 stars 0 fork 0 watcher
Born at : March 11, 2024, 1:21 p.m. This repo has been linked 930 different CVEs too.

None

Updated: 7 months, 2 weeks ago
2 stars 2 fork 2 watcher
Born at : Nov. 25, 2022, 5:43 p.m. This repo has been linked 930 different CVEs too.

Here you can find video, slides and other stuff related to RomHack Conference since the beginning (2018). Enjoy!

Updated: 1 year, 6 months ago
6 stars 1 fork 1 watcher
Born at : Sept. 30, 2022, 9:31 a.m. This repo has been linked 1 different CVEs too.

None

Updated: 3 months ago
8 stars 1 fork 1 watcher
Born at : June 21, 2022, 7:45 a.m. This repo has been linked 943 different CVEs too.

None

Makefile C Assembly Shell C++ Lua Python Awk Objective-C Verilog

Updated: 8 months, 2 weeks ago
3 stars 1 fork 1 watcher
Born at : Jan. 17, 2022, 4:08 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-34600 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-34600 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Sep. 16, 2024

    Action Type Old Value New Value
    Changed 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. 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.
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Aug. 09, 2023

    Action Type Old Value New Value
    Removed CVSS V3.1 CERT VDE AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
    Added CVSS V3.1 CERT VDE AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Removed CVSS V3.1 Reason PR-Local attacker implies some privilege level needed
    Removed CVSS V3.1 Reason UI-User Interaction not identified
    Removed CVSS V3.1 Reason I-No integrity impacts identified
    Removed CWE CERT VDE CWE-338
    Added CWE CERT VDE CWE-335
    Removed CWE Reason CWE-338 / More specific CWE option available
  • Reanalysis by [email protected]

    Jul. 07, 2023

    Action Type Old Value New Value
    Removed CWE NIST CWE-338
    Added CWE NIST CWE-335
  • Modified Analysis by [email protected]

    Sep. 10, 2022

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:N/A:N)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE Modified by [email protected]

    Apr. 28, 2022

    Action Type Old Value New Value
    Changed 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 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.
  • Initial Analysis by [email protected]

    Jan. 27, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://www.x41-dsec.de/lab/advisories/x41-2021-003-telenot-complex-insecure-keygen/ No Types Assigned https://www.x41-dsec.de/lab/advisories/x41-2021-003-telenot-complex-insecure-keygen/ Exploit, Third Party Advisory
    Added CWE NIST CWE-338
    Added CPE Configuration OR *cpe:2.3:a:telenot:compasx:*:*:*:*:*:*:*:* versions up to (excluding) 32.0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-34600 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-34600 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.05 }} 0.00%

score

0.14741

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability