CVE-2020-3359

CVSS V2 High 7.8 CVSS V3 High 8.6
Description
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.
Overview
  • CVE ID
  • CVE-2020-3359
  • Assigner
  • ykramarz@cisco.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-09-24T18:15:17
  • Last Modified Date
  • 2021-08-06T18:46:10
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:cisco:ios_xe:16.12.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:2610xm:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:2611xm:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:2612:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:2620xm:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:2621xm:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:2650xm:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:2651xm:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:2691:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:catalyst_9800-40:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:catalyst_9800-80:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:catalyst_9800-cl:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:catalyst_9800-l:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:catalyst_9800-l-c:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:catalyst_9800-l-f:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.8
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 8.6
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 4
References
Reference URL Reference Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-mdns-dos-3tH6cA9J Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-3359
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3359
History
Created Old Value New Value Data Type Notes
2022-05-10 06:58:05 Added to TrackCVE
2022-12-04 23:16:22 psirt@cisco.com ykramarz@cisco.com CVE Assigner updated
2022-12-04 23:16:22 2020-09-24T18:15Z 2020-09-24T18:15:17 CVE Published Date updated
2022-12-04 23:16:22 2021-08-06T18:46:10 CVE Modified Date updated
2022-12-04 23:16:22 Analyzed Vulnerability Status updated