CVE-2022-24400

DCK pinning attack in TETRA

View on CVE.org

Published Oct 19, 2023 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Description

A flaw in the TETRA authentication procecure allows a MITM adversary that can predict the MS challenge RAND2 to set session key DCK to zero.

Affected Products

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

affected

Version	Status	Constraints
`all`	affected	—

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2022-29292	A flaw in the TETRA authentication procecure allows a MITM adversary that can predict the MS challenge RAND2 to set session key DCK to zero.

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity High

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.

Exploit prediction score: < 1% (0.274% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://tetraburst.com/

History

Feb 24, 2026 9:15 PM Scoring metrics updated View changes

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

Subscriptions

Midnightblue Tetra\

Weaknesses

Sources

CVE record Updated: Sep 12, 2024, 8:30 PM

Status: PUBLISHED
Assigner: NCSC-NL
Published: Oct 19, 2023, 9:33 AM
Updated: Sep 12, 2024, 8:30 PM
Reserved: Feb 4, 2022, 4:43 AM

View source JSON

Vulnrichment Updated: Aug 3, 2024, 4:13 AM

Updated: Aug 3, 2024, 4:13 AM

NVD Updated: Jun 17, 2026, 4:31 AM

Status: Modified
Published: Oct 19, 2023, 10:15 AM
Modified: Jun 17, 2026, 4:31 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-24400", "assignerOrgId": "cf4a7ff5-dd38-4ede-a530-ffaa7ea59c39", "state": "PUBLISHED", "assignerShortName": "NCSC-NL", "dateReserved": "2022-02-04T04:43:09.526Z", "datePublished": "2023-10-19T09:33:28.366Z", "dateUpdated": "2024-09-12T20:30:58.123Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "vendor": "ETSI", "product": "TETRA Standard", "versions": [{"version": "all", "status": "affected"}]}], "title": "DCK pinning attack in TETRA", "descriptions": [{"lang": "en", "value": "A flaw in the TETRA authentication procecure allows a MITM adversary that can predict the MS challenge RAND2 to set session key DCK to zero."}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-807", "description": "Reliance on Untrusted Inputs in a Security Decision", "type": "CWE"}]}], "providerMetadata": {"orgId": "cf4a7ff5-dd38-4ede-a530-ffaa7ea59c39", "shortName": "NCSC-NL", "dateUpdated": "2024-07-15T00:27:54.327Z"}, "references": [{"name": "TETRA:BURST", "tags": ["related"], "url": "https://tetraburst.com/"}], "credits": [{"lang": "en", "value": "Midnight Blue", "type": "finder"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R/CR:H/IR:H/AR:H/MAV:A/MAC:H/MPR:N/MUI:N/MS:U/MC:H/MI:H/MA:H"}}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T04:13:55.207Z"}, "title": "CVE Program Container", "references": [{"name": "TETRA:BURST", "tags": ["related", "x_transferred"], "url": "https://tetraburst.com/"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-09-12T20:29:57.134658Z", "id": "CVE-2022-24400", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-12T20:30:58.123Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://tetraburst.com/", "name": "TETRA:BURST", "tags": ["related", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T04:13:55.207Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-24400", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-12T20:29:57.134658Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-12T20:30:54.323Z"}}], "cna": {"title": "DCK pinning attack in TETRA", "credits": [{"lang": "en", "type": "finder", "value": "Midnight Blue"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R/CR:H/IR:H/AR:H/MAV:A/MAC:H/MPR:N/MUI:N/MS:U/MC:H/MI:H/MA:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "ETSI", "product": "TETRA Standard", "versions": [{"status": "affected", "version": "all"}], "defaultStatus": "affected"}], "references": [{"url": "https://tetraburst.com/", "name": "TETRA:BURST", "tags": ["related"]}], "descriptions": [{"lang": "en", "value": "A flaw in the TETRA authentication procecure allows a MITM adversary that can predict the MS challenge RAND2 to set session key DCK to zero."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-807", "description": "Reliance on Untrusted Inputs in a Security Decision"}]}], "providerMetadata": {"orgId": "cf4a7ff5-dd38-4ede-a530-ffaa7ea59c39", "shortName": "NCSC-NL", "dateUpdated": "2024-07-15T00:27:54.327Z"}}}, "cveMetadata": {"cveId": "CVE-2022-24400", "state": "PUBLISHED", "dateUpdated": "2024-09-12T20:30:58.123Z", "dateReserved": "2022-02-04T04:43:09.526Z", "assignerOrgId": "cf4a7ff5-dd38-4ede-a530-ffaa7ea59c39", "datePublished": "2023-10-19T09:33:28.366Z", "assignerShortName": "NCSC-NL"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "affected", "product": "TETRA Standard", "vendor": "ETSI", "versions": [{"status": "affected", "version": "all"}]}], "source": "cert@ncsc.nl"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:midnightblue:tetra\\:burst:-:*:*:*:*:*:*:*", "matchCriteriaId": "E47ED5D3-E6C3-419A-9A3B-9F20863B9FDA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw in the TETRA authentication procecure allows a MITM adversary that can predict the MS challenge RAND2 to set session key DCK to zero."}, {"lang": "es", "value": "Una falla en el procedimiento de autenticaci\u00f3n TETRA permite que un adversario MITM que puede predecir el desaf\u00edo MS RAND2 establezca la clave de sesi\u00f3n DCK en cero."}], "id": "CVE-2022-24400", "lastModified": "2026-06-17T04:31:46.230", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "cert@ncsc.nl", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 4.2, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-24400", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-12T20:29:57.134658Z", "version": "2.0.3"}}]}, "published": "2023-10-19T10:15:08.930", "references": [{"source": "cert@ncsc.nl", "tags": ["Vendor Advisory"], "url": "https://tetraburst.com/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://tetraburst.com/"}], "sourceIdentifier": "cert@ncsc.nl", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-807"}], "source": "cert@ncsc.nl", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-639"}], "source": "nvd@nist.gov", "type": "Primary"}]}