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Pulse Secure Desktop Client up to 5.2R9.0/5.3R4.1 on Linux GUI Certificate weak authentication
A vulnerability, which was classified as critical, was found in Pulse Secure Desktop Client up to 5.2R9.0/5.3R4.1 on Linux. Affected is some unknown processing of the component GUI. Upgrading to version 5.2R9.2 or 5.3R4.2 eliminates this…
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A vulnerability, which was classified as critical, was found in Pulse Secure Desktop Client up to 5.2R9.0/5.3R4.1 on Linux. Affected is some unknown processing of the component GUI. Upgrading to version 5.2R9.2 or 5.3R4.2 eliminates this vulnerability.
CTI Threat Relationship Graph2 Knoten / 1 Relationen
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title: Detect Exploitation - Pulse Secure Desktop Client up to 5.2R9.0/5.3R4.1 on Linux GUI Certificate weak authentication
id: b15e0e02-06bb-45ca-b741-322e4be565ce
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 = "Pulse Secure Desktop Client up" ascii wide
condition:
any of them
}tsecurity.de Cognitive Threat RAG
Fokus-Vektor:
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich Pulse Secure Desktop Client up to 5.2R9..... 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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