8.6
CWE
399
Advisory Published
Updated

CVE-2022-20848: Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst 9100 Series Access Points UDP Processing Denial of Service Vulnerability

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 SoftwareAffected VersionHow 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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Frequently Asked Questions

  • What is the severity of CVE-2022-20848?

    CVE-2022-20848 has been rated as high severity due to its potential to cause a denial of service (DoS) condition.

  • How do I fix CVE-2022-20848?

    To fix CVE-2022-20848, update to the fixed versions of Cisco IOS XE Software as specified in the security advisory.

  • What software versions are affected by CVE-2022-20848?

    CVE-2022-20848 affects specific versions of Cisco IOS XE Software, including 17.6.1, 17.6.3, and 17.9.1.

  • Can CVE-2022-20848 be exploited remotely?

    Yes, CVE-2022-20848 can be exploited by unauthenticated, remote attackers.

  • What devices are impacted by CVE-2022-20848?

    The vulnerability primarily affects Catalyst 9100 Series Access Points running vulnerable versions of Cisco IOS XE Software.

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