CVE-2022-20847
published 2022-09-30CVE-2022-20847: A vulnerability in the DHCP processing functionality of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an unauthenticated…
PriorityP340high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.09%
61.9th percentile
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.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | cisco_ios_xe_software | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe_wireless_controller | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
vendor_cisco8.6HIGH
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GHSA
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
ghsa_unreviewed·2022-10-01
CVE-2022-20847 [HIGH] CWE-400 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
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.
Cisco
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family DHCP Processing Denial of Service Vulnerability
vendor_cisco·2022-09-28·CVSS 8.6
CVE-2022-20847 [HIGH] CWE-399 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family DHCP Processing Denial of Service Vulnerability
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family DHCP Processing Denial of Service Vulnerability
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.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:h
Cisco
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family DHCP Processing Denial of Service Vulnerability
vendor_cisco·CVSS 3.1
CVE-2022-20847 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family DHCP Processing Denial of Service Vulnerability
CVE-2022-20847: Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family DHCP Processing Denial of Service Vulnerability
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. Cisco has released software updates that address this vulnerability. There are no
CVSS: 3.1
CWE: CWE-399, CWE-399
Bug IDs: CSCvz97985
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2022-09-30
Published