A vulnerability was found in Leapware LeapFTP 2.7.3.600. It has been classified as critical. Affected is an unknown function of the component PASV Request Handler. The manipulation of the argument IP Address leads to memory corruption.
This vulnerability is traded as CVE-2003-0558. It is possible to launch the attack remotely. Furthermore, there is an exploit available.
It is recommended to upgrade the affected component.
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CVE-2003-0558 | Leapware LeapFTP 2.7.3.600 PASV Request IP Address memory corruption (EDB-54 / Nessus ID 11705)
A vulnerability was found in Leapware LeapFTP 2.7.3.600. It has been classified as critical. Affected is an unknown function of the component PASV Request Handler. The manipulation of the argument IP Address leads to memory…
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CVE-2003-0558
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title: Detect Exploitation - CVE-2003-0558 | Leapware LeapFTP 2.7.3.600 PASV Request IP Address memory corruption (EDB-54 / Nessus ID 11705)
id: cb4cdfd6-1e52-4630-9de4-109f71e8f025
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-2003-0558 | Leapware LeapF" 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-2003-0558 | Leapware LeapFTP 2.7.3.6.... 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.
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- 3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.
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