8.6
CWE
755 248 20
Advisory Published
Updated

CVE-2022-20919: Cisco IOS and IOS XE Software Common Industrial Protocol Request Denial of Service Vulnerability

First published: Fri Sep 30 2022(Updated: )

A vulnerability in the processing of malformed Common Industrial Protocol (CIP) packets that are sent to Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient input validation during processing of CIP packets. An attacker could exploit this vulnerability by sending a malformed CIP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to unexpectedly reload, resulting in a DoS condition.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS XE=17.9.1
Cisco 1000 Integrated Services Router
Cisco 1100-4g/6g Integrated Services Router
Cisco 1109-4p Integrated Services Router
Cisco 1100 Integrated Services Router
Cisco 1100 Integrated Services Router
Cisco 1100-4g/6g Integrated Services Router
Cisco 1101 Integrated Services Router
Cisco IR 1101
Cisco 1109 Integrated Services Router
Cisco 1109 Integrated Services Router
Cisco 1109 Integrated Services Router
Cisco 1111x-8p
Cisco 111x Integrated Services Router
Cisco 1120 Integrated Services Router
Cisco 1131 Integrated Services Router
Cisco 1160 Integrated Services Router
Cisco 4221 Integrated Services Router
Cisco 4321/k9 Integrated Services Router
Cisco 4331/k9-rf Integrated Services Router
Cisco 4351/k9-rf 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 ASR 920-10SZ-PD
Cisco ASR 920-12CZ-A
Cisco ASR 920
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 Router
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
Cisco ASR 1001-HX-RF
Cisco ASR 1001-X
Cisco ASR 1001-X
Cisco ASR 1002 Fixed Router
Cisco ASR 1002 Fixed Router
Cisco ASR 1002-HX
Cisco ASR 1002-X
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 1023 Router
Cisco ASR 5000 firmware
Cisco ASR 5500 firmware
Cisco ASR 5700 firmware
Cisco ASR 900 Series firmware
Cisco ASR 900 Series firmware
Cisco ASR 900 Route Switch Processor 2 (RSP2)
Cisco ASR 900 Route Switch Processor 3 (RSP3)
Cisco ASR 9000v
Cisco ASR 9000v
Cisco ASR 9000v
Cisco ASR 9000v-v2
Cisco ASR 9000 Series
Cisco ASR 9000 Series
Cisco ASR 9000 Series=v2
Cisco ASR 9001
Cisco ASR 9001
Cisco ASR 9006 Router
Cisco ASR 9006 Router
Cisco ASR 901 Series
Cisco ASR 901-12C-FT-D
Cisco ASR 901 Series
Cisco ASR 901 Series
Cisco ASR 901-6CZ-F-A
Cisco ASR 901
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 9010 Router
Cisco ASR 901S
Cisco ASR 901S
Cisco ASR 901S
Cisco ASR 901S
Cisco ASR 901S
Cisco ASR 902
Cisco ASR 902U
Cisco ASR 903
Cisco ASR 907
Cisco ASR 914
Cisco ASR 920 Series
Cisco ASR 920-10SZ-PD
Cisco ASR 920-10SZ-PD
Cisco ASR 920-12CZ-A router
Cisco ASR 920-12CZ-A
Cisco ASR 920 Series Router
Cisco ASR-920-12CZ-D
Cisco ASR 920-12CZ-D
Cisco ASR 920-12CZ-D
Cisco ASR 920
Cisco ASR 920-12SZ-IM Router
Cisco ASR 920 Series Router
Cisco ASR 920
Cisco ASR 920-24SZ-IM Router
Cisco ASR 920 Series Router
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 Series Router
Cisco ASR 920
Cisco ASR 920-4SZ-A
Cisco ASR 920-4SZ-A
Cisco ASR 920
Cisco ASR 920-4SZ-D
Cisco ASR 920-4SZ-D
Cisco ASR 920-12SZ-IM
Cisco ASR 9901-RP Firmware
Cisco ASR 9901-RP Firmware
Cisco ASR 9903
Cisco ASR 9904
Cisco ASR 9904
Cisco ASR 9904
Cisco ASR 9906
Cisco ASR 9906
Cisco ASR 9910
Cisco ASR 9910
Cisco ASR 9910
Cisco ASR 9912
Cisco ASR 9912
Cisco ASR 9912
Cisco ASR 9920
Cisco ASR 9922
Cisco ASR 9922
Cisco ASR 1000 Series
Cisco ASR 1000 Series
Cisco ASR 1000 ESP 200
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 3850 Series
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850-12X48U-E
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850 Series
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 9300-24s-e Firmware
Cisco Catalyst 3850-24S-S
Cisco Catalyst 3850
Cisco Catalyst 3850-24T-L
Cisco Catalyst 3850-24T-S
Cisco Catalyst 3850-24U
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850-24XS
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850-24XU
Cisco Catalyst 3850-24XU
Cisco Catalyst 3850-24XU
Cisco Catalyst 3850-24XU
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850-48F-E
Cisco Catalyst 3850-48F-L
Cisco Catalyst 3850-48F-S
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850-48P-S
Cisco Catalyst 3850-48PW-S
Cisco Catalyst 3850-48T-E
Cisco Catalyst 3850-48T-L
Cisco Catalyst 3850 Series
Cisco Catalyst 3850
Cisco Catalyst 3850-48U-E
Cisco Catalyst 3850-48U
Cisco Catalyst 3850-48U
Cisco Catalyst 3850-48XS
Cisco Catalyst 3850
Cisco Catalyst 3850-48XS
Cisco Catalyst 3850-48XS
Cisco Catalyst 3850-48XS-S
Cisco Catalyst 3850
Cisco Catalyst 3850
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 8510 CSR
Cisco Catalyst 8510MSR
Cisco Catalyst 8540CSR
Cisco Catalyst 8540MSR
Cisco Catalyst 9100 firmware
Cisco Catalyst 9000 Family Switches
Cisco Catalyst 9105 Firmware
Cisco Catalyst 9105AX
Cisco Catalyst 9115 Firmware
Cisco Catalyst 9115axi
Cisco Catalyst 9115 AP Firmware
Cisco Catalyst 9115AXI Firmware
Cisco Catalyst 9117 Firmware
Cisco Catalyst 9117
Cisco Catalyst 9117AX
Cisco Catalyst 9120AXI Firmware
Cisco Catalyst 9120
Cisco Catalyst 9120 Firmware
Cisco Catalyst 9120 Firmware
Cisco Catalyst 9120 Firmware
Cisco Catalyst 9124 Firmware
Cisco Catalyst 9124 Firmware
Cisco Catalyst 9124 Firmware
Cisco Catalyst 9130 Firmware
Cisco Catalyst 9130
Cisco Catalyst 9130 Firmware
Cisco Catalyst 9130 Firmware
Cisco Catalyst 9200CX
Cisco Catalyst 9200CX
Cisco Catalyst 9200 Series
Cisco Catalyst 9300 Firmware
Cisco Catalyst 9300-24p-a Firmware
Cisco Catalyst 9300-24p-e Firmware
Cisco Catalyst 9300-24s-a Firmware
Cisco Catalyst 9300-24s-e Firmware
Cisco Catalyst 9300-24t-a Firmware
Cisco Catalyst 9300-24t-e Firmware
Cisco Catalyst 9300-24u-a Firmware
Cisco Catalyst 9300-24u-e Firmware
Cisco Catalyst 9300-24ux-a Firmware
Cisco Catalyst 9300-24ux-e Firmware
Cisco Catalyst 9300-48p-a Firmware
Cisco Catalyst 9300-48p-e Firmware
Cisco Catalyst 9300-48s-a Firmware
Cisco Catalyst 9300-48s-e Firmware
Cisco Catalyst 9300-48t-a Firmware
Cisco Catalyst 9300-48t-e Firmware
Cisco Catalyst 9300-48u-a Firmware
Cisco Catalyst 9300-48u-e Firmware
Cisco Catalyst 9300-48un-a Firmware
Cisco Catalyst 9300-48un-e Firmware
Cisco Catalyst 9300-48uxm-a Firmware
Cisco Catalyst 9300-48uxm-e Firmware
Cisco Catalyst 9300l Firmware
Cisco Catalyst 9300L-24P-4G-A Firmware
Cisco Catalyst 9300l-24p-4g-e Firmware
Cisco Catalyst 9300L-24P-4X-A Firmware
Cisco Catalyst 9300L-48P-4X-E Firmware
Cisco Catalyst 9300l-24t-4g-a Firmware
Cisco Catalyst 9300L-24T-4G-E Firmware
Cisco Catalyst 9300l-24t-4x-a Firmware
Cisco Catalyst 9300L-24T-4X-E Firmware
Cisco Catalyst 9300L-48P-4G-A Firmware
Cisco Catalyst 9300l-48p-4g-e Firmware
Cisco Catalyst 9300l-48p-4x-a Firmware
Cisco Catalyst 9300L-48P-4X-E Firmware
Cisco Catalyst 9300l-48t-4g-a Firmware
Cisco Catalyst 9300l-48t-4g-e Firmware
Cisco Catalyst 9300l-48t-4x-a Firmware
Cisco Catalyst 9300L-48T-4X-E Firmware
Cisco Catalyst 9300L Stack
Cisco Catalyst 9300lm Firmware
Cisco Catalyst 9300x Firmware
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 IOS XE Wireless Controller Software for the Catalyst 9000 Family
Cisco Catalyst 9800-80
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family
Cisco Catalyst 9800-CL
Cisco Catalyst 9800-L
Cisco Catalyst 9800-L
Cisco Catalyst 9800-L
Cisco Embedded Wireless Controller with Catalyst Access Points Software
Cisco Catalyst IE3200
Cisco Catalyst IE3200
Cisco Catalyst IE3300
Cisco Catalyst IE3300
Cisco Catalyst IE3400
Cisco Catalyst IE3400
Cisco Catalyst IE3400
Cisco Catalyst IE9300

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Frequently Asked Questions

  • What is the severity of CVE-2022-20919?

    The severity of CVE-2022-20919 is classified as high due to its potential for denial of service attacks.

  • How do I fix CVE-2022-20919?

    To fix CVE-2022-20919, you should upgrade to the latest version of Cisco IOS Software or IOS XE Software that addresses this vulnerability.

  • Which Cisco products are affected by CVE-2022-20919?

    CVE-2022-20919 affects Cisco IOS Software and Cisco IOS XE Software, particularly version 17.9.1.

  • What types of attacks can exploit CVE-2022-20919?

    CVE-2022-20919 can be exploited by sending malformed Common Industrial Protocol (CIP) packets to trigger a device reload.

  • Is authentication required to exploit CVE-2022-20919?

    No, CVE-2022-20919 can be exploited by unauthenticated remote attackers, making it particularly dangerous.

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