CVE-2021-34600 | BDVDB-2026-168296 Detail

Telenot ElectronicCompasX

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: local.

Weaknesses#

CWE-335 Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)

References#

https://www.x41-dsec.de/lab/advisories/x41-2021-003-telenot-complex-insecure-keygen/

Exploit#

No public exploit known

History#

Version 12022-01-20Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2022-01-20
Last modified: 2024-09-16

Vendor information

Vendor: Telenot Electronic
Product: CompasX

All Telenot Electronic vulnerabilities

Score

5.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 36.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 32.0
Fixed
32.0

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.5 Medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).