A vulnerability described as very critical has been identified in Oracle WebCenter Sites 12.2.1.3.0/12.2.1.4.0. This issue affects some unknown processing of the component Terracotta Quartz Scheduler. Such manipulation leads to xml external entity reference.
This vulnerability is documented as CVE-2019-13990. The attack can be executed remotely. There is not any exploit available.
Upgrading the affected component is recommended.
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CVE-2019-13990 | Oracle WebCenter Sites 12.2.1.3.0/12.2.1.4.0 Terracotta Quartz Scheduler xml external entity reference (Nessus ID 210560 / WID-SEC-2026-1608)
A vulnerability described as very critical has been identified in Oracle WebCenter Sites 12.2.1.3.0/12.2.1.4.0. This issue affects some unknown processing of the component Terracotta Quartz Scheduler. Such manipulation leads to xml…
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IoC Intelligence (3 Indikatoren)
CVE-2019-1399012[.]2[.]1[.]312[.]2[.]1[.]4
CTI Threat Relationship Graph4 Knoten / 3 Relationen
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title: Detect Exploitation - CVE-2019-13990 | Oracle WebCenter Sites 12.2.1.3.0/12.2.1.4.0 Terracotta Quartz Scheduler xml external entity reference (Nessus ID 210560 / WID-SEC-2026-1608)
id: 2a45c5e1-3c21-4c81-913b-92e7ddd99b44
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:
DestinationIp:
- '12.2.1.3'
- '12.2.1.4'
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-2019-13990 | Oracle WebCen" ascii wide
condition:
any of them
}INFRASTRUCTURE BLAST RADIUS & EXPOSURE
Live-Vektor: LOCAL
LOCALIZED
Perimeter & Ingress
GEFÄHRDET (75%)
Lateral Pivot & AD
Geringes Risiko
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-2019-13990 | Oracle WebCenter Sites .... 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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