VDB
CVE-2024-20446
CVE-2024-20446
PUBLISHED
Es besteht eine Schwachstelle in Cisco NX-OS. Diese Sicherheitslücke betrifft den DHCPv6-Relay-Agent aufgrund einer unsachgemäßen Behandlung bestimmter Felder in einer RELAY-REPLY- Message, wodurch der dhcp_snoop-Prozess zum Absturz gebracht und neu gestartet wird. Durch das Senden eines manipulierten DHCPv6-Pakets kann ein entfernter, anonymer Angreifer diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen.
EPSS 0.73% · 73.0th percentile
Risk Scores
EPSS Score
0.73%
73.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Nexus 9000 | |
| Cisco | Cisco Nexus 6000 | |
| Cisco | Cisco Nexus 5500 | |
| Cisco | Cisco Nexus 7000 | |
| Cisco | Cisco MDS 9000 | |
| Cisco | Cisco Unified Computing System (UCS) 6400 | |
| Cisco | Cisco Unified Computing System (UCS) 6500 | |
| Cisco | Cisco Nexus 3000 | |
| Cisco | Cisco Nexus 5600 | |
| Cisco | Cisco NX-OS |
Exploit Intelligence
- CIRCL seen: CVE-2024-20446 (circl-sighting)
- cisco-sa-nxos-dhcp6-relay-dos-znEAA6xn (circl)
Timeline
- Aug 28, 2024 CVE Published
- Aug 28, 2024 PoC Published
- Aug 29, 2024 EPSS Score
- Sep 18, 2024 EPSS Score
- Oct 4, 2024 Coalition ESS Score
- Oct 9, 2024 EPSS Score
- Oct 29, 2024 EPSS Score
- Nov 18, 2024 EPSS Score
- Dec 9, 2024 EPSS Score
- Dec 30, 2024 EPSS Score
- Jan 19, 2025 EPSS Score
- Feb 8, 2025 EPSS Score
References
- https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1949.json advisory
- https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-1949 advisory
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-bshacepe-bApeHSx7 advisory
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-cmdinj-Lq6jsZhH advisory
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-dhcp6-relay-dos-znEAA6xn advisory
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-psbe-ce-YvbTn5du advisory