CVE-2022-20847 — Uncontrolled Resource Consumption in Cisco IOS XE Software
Severity
7.5HIGHNVD
CNA8.6
EPSS
0.9%
top 23.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 30
Latest updateOct 1
Description
A vulnerability in the DHCP processing functionality of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to the improper processing of DHCP messages. An attacker could exploit this vulnerability by sending malicious DHCP messages to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6
Affected Packages2 packages
🔴Vulnerability Details
2GHSA▶
GHSA-8p52-5f85-cwpc: A vulnerability in the DHCP processing functionality of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an unauthen↗2022-10-01
CVEList▶
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family DHCP Processing Denial of Service Vulnerability↗2022-09-30
📋Vendor Advisories
1Cisco▶
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family DHCP Processing Denial of Service Vulnerability↗2022-09-28