A vulnerability was found in Eurosoft Bootloader up to 2022-06-01. It has been classified as critical. Affected is an unknown function of the component Secure Boot. This manipulation causes improper access controls.
This vulnerability is registered as CVE-2022-34303. It is feasible to perform the attack on the physical device. No exploit is available.
It is recommended to apply a patch to fix this issue.
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CVE-2022-34303 | Eurosoft Bootloader up to 2022-06-01 Secure Boot access control (EUVD-2022-37260 / WID-SEC-2023-1185)
A vulnerability was found in Eurosoft Bootloader up to 2022-06-01. It has been classified as critical. Affected is an unknown function of the component Secure Boot. This manipulation causes improper access controls. This vulnerability is…
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IoC Intelligence (1 Indikatoren)
CVE-2022-34303
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title: Detect Exploitation - CVE-2022-34303 | Eurosoft Bootloader up to 2022-06-01 Secure Boot access control (EUVD-2022-37260 / WID-SEC-2023-1185)
id: f94658eb-8202-477e-927f-32088729c9e7
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "CVE-2022-34303 | Eurosoft Boot" ascii wide
condition:
any of them
}INFRASTRUCTURE BLAST RADIUS & EXPOSURE
Live-Vektor: LOCAL
LOCALIZED
Perimeter & Ingress
Geringes Risiko
Lateral Pivot & AD
GEFÄHRDET (80%)
Crown Jewels & DB
Geringes Risiko
Supply Chain Reach
Geringes Risiko
tsecurity.de Cognitive Threat RAG
Fokus-Vektor:
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2022-34303 | Eurosoft Bootloader up .... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
🛡️ Angriffsfläche & Exposure
Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.
⚡ Empfohlene Sofortmaßnahmen
- 1. Perimeter-Inspektion: Relevante Portfreigaben und exponierte Endpunkte unverzüglich scannen.
- 2. Patch-Applikation: Hersteller-Hotfix einspielen oder betroffene Daemons in isolierte DMZ-Segmente überführen.
- 3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.
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