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•
🎯 CVE-2026-76456
🇪🇺 EUVD
CVE-2026-76456 | As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76456 are related to improper input validation of special elements used in a command issue that are grouped under the Common Weakness
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-76456 are related to improper input validation of special elements used in a command issue that are grouped under the Common Weakness Enumeration (CWE) CWE-20.
Klassifikation & Betroffenheit:
CWE-20 Cisco Cisco NX-OS System Software in ACI Mode 15.2(8f)Cisco Unified Computing System (Managed) 4.0(4h)Cisco NX-OS System Software in ACI Mode 15.2(2f)Cisco Unified Computing System (Managed) 4.3(6g)Cisco Unified Computing System (Managed) 4.2(1k)Cisco NX-OS System Software in ACI Mode 16.0(9f)Cisco Unified Computing System (Managed) 4.3(6f)Cisco NX-OS Software 8.4(10)
⚔️ Typische Angriffsmuster (CAPEC):
CAPEC-10 · Buffer Overflow via Environment Variable… (High)
CAPEC-13 · Subverting Environment Variable Values (Very High)
CAPEC-101 · Server Side Include (SSI) Injection (High)
CAPEC-104 · Cross Zone Scripting (High)
CAPEC-108 · Command Line Execution through SQL Injec… (Very High)
CAPEC-109 · Object Relational Mapping Injection (High)
CAPEC-110 · SQL Injection through SOAP Parameter Tam… (Very High)
CAPEC-120 · Double Encoding (Medium)
🎯 ATT&CK-Techniken (Kill-Chain-Verhalten):
🧩 Ähnliche Schwachstellen (Hersteller/Klasse/Score-Band):
🇩🇪 BSI-Sicherheitshinweise:
BSI · hoch · Cisco Nexus und Cisco NX-OS: Mehrere Schwachstellen ↗
Ausnutzungs-Zeitleiste:
Reserviert
2026
Veröffentlicht
10/2026
Heute
07.11.
CVSS-Vektor-Analyse:
8.6
AV · Angriffsvektor
Netzwerk
AC · Komplexität
Gering
PR · Privilegien
Keine
UI · Interaktion
Keine
S · Scope
Verändert
C · Vertraulichkeit
Keine
I · Integrität
Keine
A · Verfügbarkeit
Hoch
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CNA-Bewertung (cisco): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE-20
✓ Offizieller Patch / Advisory verfügbar
💡 Gegenmaßnahme: Management-Interface vom Internet trennen und ACLs auf vertrauenswürdige IPs beschränken.
🔴
Live Security Advisory & EPSS Exploit Radar
Zero-Day & Vulnerability Intelligence Hub
Echtzeit-Tracking mit EPSS Exploit-Wahrscheinlichkeiten, Angriffsvektor-Decodern und KI-Patch-Anleitungen.
415k+
🇪🇺 EUVD-Datenbank
0
🔴 Critical im Radar
0
⚠️ CISA KEV
0
🔓 Aktiv ausgenutzt
0
🧪 PoC verfügbar
📊 Historien-Charts — Criticals-Trend · Vendors · EPSS-Verteilung
🔴 Criticals pro Monat (12 M)
10.253 Criticals · ▮ KEV-Anteil · ┄ Ø CVSS 9,5
🏢 Top-Vendor-Veröffentlichungen (6 M)
● Adobe
● Apache Software Foundation
● Apple
● Google
● IBM
● Linux
● Microsoft
● Oracle Corporation
📈 EPSS-Verteilung (Messungen)
408.742 CVEs mit EPSS-Score (FIRST.org) · Stand 07.11.2026
| Tier | CVEs | Anteil |
|---|---|---|
| ≥90 % | 785 | 0,2 % |
| ≥50 % | 3.557 | 0,9 % |
| ≥10 % | 13.139 | 3,2 % |
| <10 % | 391.261 | 95,7 % |
Frühindikator · FIRST.org
Datenquellen & Methodik:
Primärquelle ist die EUVD der ENISA (laufender Datenbank-Sync, alle 15 Minuten), abgeglichen mit dem CISA-KEV-Katalog und der NVD — Detail-Dossiers reichern fehlende Felder live per NVD an — mit Fallback auf CIRCL vulnerability-lookup (EU/Non-Profit, aggregiert CVE-, GitHub- und OSV-Advisories). Der CISA-KEV-Katalog (Known Exploited Vulnerabilities, ~1.700 aktiv ausgenutzte Schwachstellen) wird bei jedem Sync vollständig neu geladen und kreuzreferenziert — filterbar über die KEV-Pille. CVSS 3.1 wird nach Ampel-Logik aus Verteidigersicht dekodiert; EPSS bezeichnet die 30-Tage-Exploit-Wahrscheinlichkeit (FIRST.org).
🇪🇺 ENISA EUVD
🇺🇸 NVD
⚠️ CISA KEV
⚡ EPSS
Ökosystem & Hersteller Bedrohungs-Matrix:
Schweregrad & Status:
Hersteller (Datenbank-weit, 110.612 Einträge):
Exploit-Status:
Sortierung:
Dynamik:
Quelle:
Schwachstellen-Kategorie (CWE):
🔍
8.6
HIGH
EPSS
0.3%
CVE-2026-76456
🌐 Netzwerk (Remote)
🔓 Keine Authentifizierung nötig
Cisco
CVE-2026-76456 | As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76456 are related to improper input validation of special elements used in a command issue that are grouped under the Common Weakness
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses mu
CWE-20
✓ Offizieller Patch / Advisory verfügbar
💡 Gegenmaßnahme: Management-Interface vom Internet trennen und ACLs auf vertrauenswürdige IPs beschränken.
1 von ~1 Einträgen geladen
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