8.6

CVE-2020-3359

Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Multicast DNS Denial of Service Vulnerability

A vulnerability in the multicast DNS (mDNS) feature of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper validation of mDNS packets. An attacker could exploit this vulnerability by sending a crafted mDNS packet to an affected device. A successful exploit could cause a device to reload, resulting in a DoS condition.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cisco ≫ Ios Xe Version 16.12.1
   Cisco ≫ 2610xm Version -
   Cisco ≫ 2611xm Version -
   Cisco ≫ 2612 Version -
   Cisco ≫ 2620xm Version -
   Cisco ≫ 2621xm Version -
   Cisco ≫ 2650xm Version -
   Cisco ≫ 2651xm Version -
   Cisco ≫ 2691 Version -
   Cisco ≫ Catalyst 9800-40 Version -
   Cisco ≫ Catalyst 9800-80 Version -
   Cisco ≫ Catalyst 9800-cl Version -
   Cisco ≫ Catalyst 9800-l Version -
   Cisco ≫ Catalyst 9800-l-c Version -
   Cisco ≫ Catalyst 9800-l-f Version -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.51% 0.711
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.6 3.9 4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
NIST 7.8 10 6.9
AV:N/AC:L/Au:N/C:N/I:N/A:C
Cisco PSIRT 8.6 3.9 4
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-mdns-dos-3tH6cA9J
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