CVE-2020-3359 — Vulnetix

CVE-2020-3359 PUBLISHED CVSS 8.600000381469727 HIGH

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.

EPSS 1.45% · 81.1th percentile

Risk Scores

CVSS 3.0

8.600000381469727

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

EPSS Score

1.45%

81.1th percentile

Affected Products

Vendor	Product	Versions
Cisco	Cisco IOS XE Software	n/a
cisco	ios_xe	16.12.1

Exploit Intelligence

20200924 Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Multicast DNS Denial of Service Vulnerability (circl)

Timeline

Sep 24, 2020 CVE Published
Apr 14, 2021 EPSS Score
Jun 23, 2021 EPSS Score
Aug 24, 2021 EPSS Score
Dec 27, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 28, 2022 EPSS Score
Apr 1, 2022 EPSS Score
May 1, 2022 EPSS Score
Sep 4, 2022 EPSS Score
Nov 6, 2022 EPSS Score

References

Open in Interactive Console →