First published: Fri Sep 30 2022(Updated: )
A vulnerability in the UDP processing functionality of Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst 9100 Series Access Points could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to the improper processing of UDP datagrams. An attacker could exploit this vulnerability by sending malicious UDP datagrams to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Credit: ykramarz@cisco.com
Affected Software | Affected Version | How to fix |
---|---|---|
Cisco IOS XE | =17.6.1 | |
Cisco IOS XE | =17.6.3 | |
Cisco IOS XE | =17.9.1 | |
Cisco 1000 Integrated Services Router | ||
Cisco 1100-4g\/6g Integrated Services Router | ||
Cisco 1100-4g Integrated Services Router | ||
Cisco 1100-4p Integrated Services Router | ||
Cisco 1100-6g Integrated Services Router | ||
Cisco 1100-8p Integrated Services Router | ||
Cisco 1100 Series Integrated Services Router | ||
Cisco 1101-4p Integrated Services Router | ||
Cisco 1101 Integrated Services Router | ||
Cisco 1109-2p | ||
Cisco 1109-4p Integrated Services Router | ||
Cisco 1109 Integrated Services Router | ||
Cisco 1111x-8p Integrated Services Router | ||
Cisco 1111x Integrated Services Router | ||
Cisco 111x Integrated Services Router | ||
Cisco 1120 Integrated Services Router | ||
Cisco 1131 Integrated Services Router | ||
Cisco 1160 Integrated Services Router | ||
Cisco 3000 Integrated Services Router | ||
Cisco 4000 Series Integrated Services Routers | ||
Cisco 4221 Integrated Services Router | ||
Cisco 4321 Integrated Services Router | ||
Cisco 4331 Integrated Services Router | ||
Cisco 4351 Integrated Services Router | ||
Cisco 4431 Integrated Services Router | ||
Cisco 4451-X Integrated Services Router | ||
Cisco 4451-X Integrated Services Router | ||
Cisco 4441 Integrated Services Router | ||
Cisco 8101-32fh | ||
Cisco 8101-32h | ||
Cisco 8102-64h | ||
Cisco 8201 | ||
Cisco 8201-32fh | ||
Cisco 8202 | ||
Cisco 8800 12-slot | ||
Cisco 8800 18-slot | ||
Cisco 8800 4-slot | ||
Cisco 8800 8-slot | ||
Cisco 8804 | ||
Cisco 8808 | ||
Cisco 8812 | ||
Cisco 8818 | ||
Cisco 8831 Firmware | ||
Cisco Catalyst 9800-40 | ||
Cisco Catalyst 9800-80 | ||
Cisco 9800-cl | ||
Cisco 9800-l | ||
Cisco ASR 920-10SZ-PD | ||
Cisco ASR 920-12CZ-A | ||
Cisco ASR 920-12CZ-D | ||
Cisco ASR 920-12SZ-A | ||
Cisco ASR 920-12SZ-D | ||
Cisco ASR 920 Series | ||
Cisco ASR 920-12SZ-IM | ||
Cisco ASR 920 Series | ||
Cisco ASR 920 | ||
Cisco ASR 920 Series | ||
Cisco ASR 920 | ||
Cisco ASR 920-24TZ-M | ||
Cisco ASR 920-4SZ-A | ||
Cisco ASR 920-4SZ-D | ||
Cisco ASR 9901-RP Firmware | ||
Cisco ASR 1000 Series | ||
Cisco ASR 1000 series software | ||
Cisco ASR 1001 | ||
Cisco ASR 1001-HX | ||
Cisco ASR 1001-HX-RF | ||
Cisco ASR 1001-X | ||
Cisco ASR 1001-X | ||
Cisco ASR 1002 Fixed Router | ||
Cisco ASR 1002-HX-RF | ||
Cisco ASR 1002-HX | ||
Cisco ASR 1002-X | ||
Cisco ASR 1002-X | ||
Cisco ASR 1004 | ||
Cisco ASR 1006 | ||
Cisco ASR 1006-X | ||
Cisco ASR 1009-X | ||
Cisco ASR 1013 | ||
Cisco ASR 1023 Router | ||
Cisco ASR 900 Series firmware | ||
Cisco ASR 9000v | ||
Cisco ASR 9000v-v2 | ||
Cisco ASR 9001 | ||
Cisco ASR 9006 Router | ||
Cisco ASR 901-12C-F-D | ||
Cisco ASR 901-12C-FT-D | ||
Cisco ASR 901-4C-F-D | ||
Cisco ASR 901-4C-FT-D | ||
Cisco ASR 901-6CZ-F-A | ||
Cisco ASR 901-6CZ-F-D | ||
Cisco ASR 901-6CZ-FS-A | ||
Cisco ASR 901-6CZ-FS-D | ||
Cisco ASR 901-6CZ-FT-A | ||
Cisco ASR 901-6CZ-FT-D | ||
Cisco ASR 9010 Router | ||
Cisco ASR 9010 Router | ||
Cisco ASR 901S-2SG-F-AH | ||
Cisco ASR 901S-2SG-F-D | ||
Cisco asr 901s-3sg-f-ah | ||
Cisco ASR 901S-3SG-F-D | ||
Cisco ASR 901S-4SG-F-D | ||
Cisco ASR 902 | ||
Cisco ASR 902U | ||
Cisco ASR 903 | ||
Cisco ASR 907 | ||
Cisco ASR 914 | ||
Cisco ASR 920-10SZ-PD | ||
Cisco ASR 920-10SZ-PD | ||
Cisco ASR 920-10SZ-PD | ||
Cisco ASR 920-12CZ-A router | ||
Cisco asr 920-12cz-a r | ||
Cisco ASR 920-12CZ-A | ||
Cisco ASR-920-12CZ-D | ||
Cisco ASR 920-12CZ-D | ||
Cisco ASR 920-12CZ-D | ||
Cisco ASR-920-12SZ-IM-CC | ||
Cisco ASR 920-12SZ-IM Router | ||
Cisco ASR-920-12SZ-IM-CC | ||
Cisco ASR 920 | ||
Cisco ASR 920-24SZ-IM Router | ||
Cisco ASR 920 | ||
Cisco ASR 920 Series Router | ||
Cisco ASR 920 Series Router | ||
Cisco ASR 920 Series Router | ||
Cisco ASR 920-24TZ-M Router | ||
Cisco ASR 920-24TZ-M-R | ||
Cisco ASR 920-24TZ-M Router | ||
Cisco ASR 920-4SZ-A | ||
Cisco ASR 920-4SZ-A | ||
Cisco ASR 920-4SZ-A | ||
Cisco ASR 920-4SZ-D | ||
Cisco ASR 920-4SZ-D | ||
Cisco ASR 920-4SZ-D | ||
Cisco ASR 920-12SZ-IM | ||
Cisco ASR 9901-RP Firmware | ||
Cisco ASR 9903 | ||
Cisco ASR 9904 | ||
Cisco ASR 9904 | ||
Cisco ASR 9906 | ||
Cisco ASR 9910 | ||
Cisco ASR 9912 | ||
Cisco ASR 9920 | ||
Cisco ASR 9922 | ||
Cisco ASR 1000 Series | ||
Cisco ASR 1000 Series | ||
Cisco asr1000-esp200 | ||
Cisco ASR 1000 Series | ||
Cisco ASR 1000 RP3 | ||
Cisco ASR 1001-HX | ||
Cisco ASR 1001-HX-RF | ||
Cisco ASR 1001-X | ||
Cisco ASR 1001-X | ||
Cisco ASR 1001-X | ||
Cisco ASR 1002-HX | ||
Cisco ASR 1002-HX | ||
Cisco ASR 1002-HX | ||
Cisco ASR 1002-X | ||
Cisco ASR 1002-X | ||
Cisco ASR 1002-X | ||
Cisco Catalyst 3650 | ||
Cisco Catalyst 3650-12X48FD-E | ||
Cisco Catalyst 3650-12x48FD-L | ||
Cisco Catalyst 3650-12x48FD-S | ||
Cisco Catalyst 3650-12x48UQ | ||
Cisco Catalyst 3650-12x48UQ-E | ||
Cisco Catalyst 3650-12X48UQ-L | ||
Cisco Catalyst 3650-12x48UQ-S | ||
Cisco Catalyst 3650-12x48UR | ||
Cisco Catalyst 3650-12X48UR-E | ||
Cisco Catalyst 3650-12X48UR-L | ||
Cisco Catalyst 3650-12x48ur-s | ||
Cisco Catalyst 3650-12X48UZ | ||
Cisco Catalyst 3650-12x48UZ-E | ||
Cisco Catalyst 3650-12x48UZ-L | ||
Cisco Catalyst 3650-12x48uz-s | ||
Cisco Catalyst 3650 24 Port PoE Switch (WS-C3650-24PD) | ||
Cisco Catalyst 3650-24PD-E | ||
Cisco Catalyst 3650-24PD-L | ||
Cisco Catalyst 3650-24PD-S | ||
Cisco Catalyst 3650-24PDM | ||
Cisco Catalyst 3650-24PDM-E | ||
Cisco Catalyst 3650-24PDM-L | ||
Cisco Catalyst 3650-24PDM-S | ||
Cisco Catalyst 3650-24PS-E | ||
Cisco Catalyst 3650-24PS-L | ||
Cisco Catalyst 3650-24PS-S | ||
Cisco Catalyst 3650-24TD-E | ||
Cisco Catalyst 3650-24TD-L | ||
Cisco Catalyst 3650-24TD Switch | ||
Cisco Catalyst 3650-24TS-E | ||
Cisco Catalyst 3650-24TS-L | ||
Cisco Catalyst 3650-24TS-S | ||
Cisco Catalyst 3650-48FD-E | ||
Cisco Catalyst 3650-48FD-L | ||
Cisco Catalyst 3650-48FD-S | ||
Cisco Catalyst 3650-48FQ | ||
Cisco Catalyst 3650-48FQ-E | ||
Cisco Catalyst 3650-48FQ-L | ||
Cisco Catalyst 3650-48FQ-S | ||
Cisco Catalyst 3650-48FQM Switch | ||
Cisco Catalyst 3650-48FQM Switch | ||
Cisco Catalyst 3650-48FQM Switch | ||
Cisco Catalyst 3650-48FQM Switch | ||
Cisco Catalyst 3650-48FS-E | ||
Cisco Catalyst 3650 Series Switch WS-C3650-48FS | ||
Cisco Catalyst 3650 Series Switch WS-C3650-48FS | ||
Cisco Catalyst 3650-48PD-E | ||
Cisco Catalyst 3650-48PD-L | ||
Cisco Catalyst 3650-48PD-S | ||
Cisco Catalyst 3650-48PQ-E | ||
Cisco Catalyst 3650-48PQ-L | ||
Cisco Catalyst 3650-48PQ-S | ||
Cisco Catalyst 3650-48PS-E | ||
Cisco Catalyst 3650-48PS-L | ||
Cisco Catalyst 3650-48PS-S | ||
Cisco Catalyst 3650-48TD-E | ||
Cisco Catalyst 3650-48TD-L | ||
Cisco Catalyst 3650-48TD-S | ||
Cisco Catalyst 3650-48TQ-E | ||
Cisco Catalyst 3650-48TQ-L | ||
Cisco Catalyst 3650-48TQ-S | ||
Cisco Catalyst 3650-48TS Switch | ||
Cisco Catalyst 3650-48TS Switch | ||
Cisco Catalyst 3650-48TS Switch | ||
Cisco Catalyst 3650-8x24PD-E | ||
Cisco Catalyst 3650-8x24PD-L | ||
Cisco Catalyst 3650-8x24PD-S | ||
Cisco Catalyst 3650-8X24UQ | ||
Cisco Catalyst 3650-8x24UQ-E | ||
Cisco Catalyst 3650-8X24UQ | ||
Cisco Catalyst 3650-8X24UQ | ||
Cisco Catalyst 3850 | ||
Cisco Catalyst 3850-12S-E | ||
Cisco Catalyst 3850-12S-S | ||
Cisco Catalyst 3850-12X48U-E | ||
Cisco Catalyst 3850-12XS-E | ||
Cisco Catalyst 3850-12XS-S | ||
Cisco Catalyst 3850-16XS-E | ||
Cisco Catalyst 3850-16XS-S | ||
Cisco Catalyst 3850-24P-E | ||
Cisco Catalyst 3850-24P-L | ||
Cisco Catalyst 3850-24P-S | ||
Cisco Catalyst 3850-24PW-S | ||
Cisco Catalyst 3850-24S-E | ||
Cisco Catalyst 3850-24S-S | ||
Cisco Catalyst 3850-24T-E | ||
Cisco Catalyst 3850-24T-L | ||
Cisco Catalyst 3850-24T-S | ||
Cisco Catalyst 3850-24U | ||
Cisco Catalyst 3850-24U-E | ||
Cisco Catalyst 3850-24U-L | ||
Cisco Catalyst 3850-24U-S | ||
Cisco Catalyst 3850-24XS | ||
Cisco Catalyst 3850-24XS-E | ||
Cisco Catalyst 3850-24XS-S | ||
Cisco Catalyst 3850-24XU | ||
Cisco Catalyst 3850-24XU | ||
Cisco Catalyst 3850-24XU | ||
Cisco Catalyst 3850-24XU | ||
Cisco Catalyst 3850-32XS-E | ||
Cisco Catalyst 3850-32XS-S | ||
Cisco Catalyst 3850-48F-E | ||
Cisco Catalyst 3850-48F-L | ||
Cisco Catalyst 3850-48F-S | ||
Cisco Catalyst 3850-48P-E | ||
Cisco Catalyst 3850-48P-L | ||
Cisco Catalyst 3850-48P-S | ||
Cisco Catalyst 3850-48PW-S | ||
Cisco Catalyst 3850-48T-E | ||
Cisco Catalyst 3850-48T-L | ||
Cisco Catalyst 3850-48T-S | ||
Cisco Catalyst 3850-48U | ||
Cisco Catalyst 3850-48U-E | ||
Cisco Catalyst 3850-48U | ||
Cisco Catalyst 3850-48U-S | ||
Cisco Catalyst 3850-48XS | ||
Cisco Catalyst 3850-48XS-E | ||
Cisco Catalyst 3850-48XS | ||
Cisco Catalyst 3850-48XS | ||
Cisco Catalyst 3850-48XS-S | ||
Cisco Catalyst 3850-NM-2-40G | ||
Cisco Catalyst 3850-NM-8-10G | ||
Cisco Catalyst 8200 | ||
Cisco Catalyst 8300 | ||
Cisco Catalyst 8300-1N1S-4T2X | ||
Cisco Catalyst 8300 | ||
Cisco Catalyst 8300-2N2S-4T2X | ||
Cisco Catalyst 8300 | ||
Cisco Catalyst 8500L Series Router | ||
Cisco Catalyst 8500 | ||
Cisco Catalyst 8500 | ||
Cisco Catalyst 8510CSR | ||
Cisco Catalyst 8510msr | ||
Cisco Catalyst 8540CSR | ||
Cisco Catalyst 8540MSR | ||
Cisco Catalyst 9200CX | ||
Cisco Catalyst 9200CX | ||
Cisco Catalyst 9200 Series | ||
Cisco Catalyst 9300 Series | ||
Cisco Catalyst C9300-24P | ||
Cisco Catalyst C9300-24P | ||
Cisco Catalyst 9300 Series | ||
Cisco Catalyst 9300 Series | ||
Cisco Catalyst C9300-24T | ||
Cisco Catalyst C9300-24T | ||
Cisco Catalyst C9300-24U | ||
Cisco Catalyst C9300-24U | ||
Cisco Catalyst 9300-24UX-A | ||
Cisco Catalyst 9300-24UX-E | ||
Cisco Catalyst 9300-48P-A | ||
Cisco Catalyst 9300-48P-E | ||
Cisco Catalyst 9300 Series | ||
Cisco Catalyst 9300 Series | ||
Cisco Catalyst 9300-48T-A | ||
Cisco Catalyst 9300-48T-E | ||
Cisco Catalyst 9300-48U-A | ||
Cisco Catalyst 9300-48U-E | ||
Cisco Catalyst C9300 Series | ||
Cisco Catalyst 9300-48U-E | ||
Cisco Catalyst 9300-48UXM-A | ||
Cisco Catalyst 9300-48UXM-E | ||
Cisco Catalyst 9300L Stack | ||
Cisco Catalyst C9300L-24P-4G | ||
Cisco Catalyst C9300L-24P-4G | ||
Cisco Catalyst 9300L-24P-4X-A | ||
Cisco Catalyst 9300L-24P-4X-E | ||
Cisco Catalyst 9300L-24T-4G | ||
Cisco Catalyst 9300L-24T-4G | ||
Cisco Catalyst 9300L-24T-4X-A | ||
Cisco Catalyst 9300L-24T-4X-E | ||
Cisco Catalyst C9300L-48P-4G | ||
Cisco Catalyst C9300L-48P-4G | ||
Cisco Catalyst C9300L-48P-4X | ||
Cisco Catalyst C9300L-48P-4X | ||
Cisco Catalyst C9300L-48T-4G | ||
Cisco Catalyst C9300L-48T-4G | ||
Cisco Catalyst C9300L-48T-4X | ||
Cisco Catalyst C9300L-48T-4X | ||
Cisco Catalyst 9300L Stack | ||
Cisco Catalyst 9300 Series | ||
Cisco Catalyst 9300X | ||
Cisco Catalyst 9400 | ||
Cisco Catalyst 9400 Supervisor Engine-1 | ||
Cisco Catalyst C9407R | ||
Cisco Catalyst C9410R | ||
Cisco Catalyst 9500 Series | ||
Cisco Catalyst 9500H | ||
Cisco Catalyst 9600 | ||
Cisco Catalyst 9600 Supervisor Engine-1 | ||
Cisco Catalyst 9600 | ||
Cisco Catalyst 9800 Firmware | ||
Cisco Catalyst 9800-40 | ||
Cisco Catalyst 9800-80 | ||
Cisco Catalyst 9800-L | ||
Cisco Catalyst 9800-L firmware | ||
Cisco Catalyst 9800-L | ||
Cisco Catalyst 9800-L | ||
Cisco Catalyst IE3200 | ||
Cisco Catalyst IE3300 | ||
Cisco Catalyst IE3400 |
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CVE-2022-20848 has been rated as high severity due to its potential to cause a denial of service (DoS) condition.
To fix CVE-2022-20848, update to the fixed versions of Cisco IOS XE Software as specified in the security advisory.
CVE-2022-20848 affects specific versions of Cisco IOS XE Software, including 17.6.1, 17.6.3, and 17.9.1.
Yes, CVE-2022-20848 can be exploited by unauthenticated, remote attackers.
The vulnerability primarily affects Catalyst 9100 Series Access Points running vulnerable versions of Cisco IOS XE Software.