A vulnerability classified as critical was found in Cisco IP Phone 6800, IP Phone 7800 and IP Phone 8800. This impacts an unknown function of the component Web-based Management Interface. Such manipulation leads to out-of-bounds write.
This vulnerability is documented as CVE-2024-20376. The attack can be executed remotely. There is not any exploit available.
Upgrading the affected component is advised.
Intelligence View
⚡ tsecurity.de Intelligence
CVE-2024-20376 | Cisco IP Phone 6800/IP Phone 7800/IP Phone 8800 up to 12.0.4 Web-based Management Interface out-of-bounds write (cisco-sa-ipphone-multi-vulns-cXAhCvS / Nessus ID 327615)
A vulnerability classified as critical was found in Cisco IP Phone 6800, IP Phone 7800 and IP Phone 8800. This impacts an unknown function of the component Web-based Management Interface. Such manipulation leads to out-of-bounds…
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IoC Intelligence (1 Indikatoren)
CVE-2024-20376
CTI Threat Relationship Graph3 Knoten / 2 Relationen
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title: Detect Exploitation - CVE-2024-20376 | Cisco IP Phone 6800/IP Phone 7800/IP Phone 8800 up to 12.0.4 Web-based Management Interface out-of-bounds write (cisco-sa-ipphone-multi-vulns-cXAhCvS / Nessus ID 327615)
id: 2a34e7fd-394e-48ec-a931-9a9e243a22ef
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-2024-20376 | Cisco IP Phon" 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-2024-20376 | Cisco IP Phone 6800/IP .... 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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