TI-2021-13618 Aliases CVE-2021-34600 GHSA-5f54-x7j7-36p3

Telenot complex: Insecure AES Key Generation

LOW 25CWE-335Published 2022-01-20 · Updated 2024-09-16

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

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.

Why it matters now

EPSS 0.00414 36th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed CompasX (Telenot Electronic GmbH): 32.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Telenot Electronic GmbH	CompasX	before 32.0	32.0	Patch available	CNA

CompasX VendorTelenot Electronic GmbH Affected before 32.0 Fixed in 32.0 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:telenot:compasx::::::::	before 32.0	Vulnerable	Telenot

cpe:2.3:a:telenot:compasx:*:*:*:*:*:*:*:* Versions before 32.0 Vulnerable ·Telenot

Remediation

Fix · CNA CompasX (Telenot Electronic GmbH) Fixed in 32.0

Timeline

2026-10-02 Threatist record created from CVE-2021-34600
2026-10-03 Alias added: GHSA-5f54-x7j7-36p3

References

Exploit 1

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

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences