CVE-2020-3359 — Improper Input Validation in Cisco IOS XE Software
Severity
8.6HIGHNVD
EPSS
1.4%
top 19.21%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 24
Latest updateMay 24
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 3.9 | Impact: 4.0
Affected Packages2 packages
🔴Vulnerability Details
2GHSA▶
GHSA-vmh3-rhm9-223f: A vulnerability in the multicast DNS (mDNS) feature of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauth↗2022-05-24
CVEList▶
Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Multicast DNS Denial of Service Vulnerability↗2020-09-24
📋Vendor Advisories
1Cisco▶
Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Multicast DNS Denial of Service Vulnerability↗2020-09-24