CVE-2022-24402 - Vulnerability Details - OpenCVE

Description

The TETRA TEA1 keystream generator implements a key register initialization function that compresses the 80-bit key to only 32 bits for usage during the keystream generation phase, which is insufficient to safeguard against exhaustive search attacks.

Published: 2023-10-19

Score: 8.8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

ETSI

TETRA Standard

unaffected

Version	Status	Constraints
`TEA1`	affected	—

Configuration 1 [-]

cpe:2.3:a:midnightblue:tetra\:burst:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-29294	The TETRA TEA1 keystream generator implements a key register initialization function that compresses the 80-bit key to only 32 bits for usage during the keystream generation phase, which is insufficient to safeguard against exhaustive search attacks.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00385.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://tetraburst.com/

History

Tue, 24 Feb 2026 21:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Midnightblue Tetra\

MITRE

Status: PUBLISHED

Assigner: NCSC-NL

Published: 2023-10-19T09:32:23.476Z

Updated: 2024-09-12T20:31:31.278Z

Reserved: 2022-02-04T04:43:09.527Z

Link: CVE-2022-24402

Vulnrichment

Updated: 2024-08-03T04:13:55.215Z

NVD

Status : Modified

Published: 2023-10-19T10:15:09.573

Modified: 2024-11-21T06:50:20.720

Link: CVE-2022-24402

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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