ious_open of the file sr_unix/ious_open.c. The manipulation leads to null pointer dereference.This vulnerability is traded as CVE-2021-44508. The attack needs to be approached within the local network. There is no exploit available.
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CVE-2021-44508 | FIS GT.M up to 7.0-000 sr_unix/ious_open.c ious_open null pointer dereference (Issue 828 / Nessus ID 233969)
A vulnerability, which was classified as problematic, was found in FIS GT.M up to 7.0-000. Affected is the function ious_open of the file sr_unix/ious_open.c. The manipulation leads to null pointer dereference. This vulnerability is…
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A vulnerability, which was classified as problematic, was found in FIS GT.M up to 7.0-000. Affected is the function
This vulnerability is traded as CVE-2021-44508. The attack needs to be approached within the local network. There is no exploit available.
This vulnerability is traded as CVE-2021-44508. The attack needs to be approached within the local network. There is no exploit available.
IoC Intelligence (1 Indikatoren)
CVE-2021-44508
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title: Detect Exploitation - CVE-2021-44508 | FIS GT.M up to 7.0-000 sr_unix/ious_open.c ious_open null pointer dereference (Issue 828 / Nessus ID 233969)
id: fbbb8a3e-fe2a-4cb4-9f22-faad536251ea
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-2021-44508 | FIS GT.M up t" 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-2021-44508 | FIS GT.M up to 7.0-000 .... 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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