CVE-2022-20919

Cisco IOS and IOS XE Software Common Industrial Protocol Request Denial of Service Vulnerability

HIGH
7.5
CVSS Score
Published: September 30, 2022 at 06:46 PM UTC
Updated: June 17, 2026 at 04:25 AM UTC
296 products affected across 1 vendorIOS XeAsr 1002-xAsr 1006

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

cisco-1000-integrated-services-router (environment) · cisco-1100-4g-integrated-services-router (environment) · cisco-1100-4p-integrated-services-router (environment) · cisco-1100-6g-integrated-services-router (environment) · cisco-1100-8p-integrated-services-router (environment) · cisco-1100-integrated-services-router (environment) · cisco-1101-4p-integrated-services-router (environment) · cisco-1101-integrated-services-router (environment) · cisco-1109-2p-integrated-services-router (environment) · cisco-1109-4p-integrated-services-router (environment) · cisco-1109-integrated-services-router (environment) · cisco-1111x-8p-integrated-services-router (environment) · cisco-1111x-integrated-services-router (environment) · cisco-1120-integrated-services-router (environment) · cisco-1131-integrated-services-router (environment) · cisco-1160-integrated-services-router (environment) · cisco-4221-integrated-services-router (environment) · cisco-4321-integrated-services-router (environment) · cisco-4331-integrated-services-router (environment) · cisco-4351-integrated-services-router (environment) · cisco-4431-integrated-services-router (environment) · cisco-4451-integrated-services-router (environment) · cisco-4451-x-integrated-services-router (environment) · cisco-4461-integrated-services-router (environment) · cisco-asr-1000-esp100 (environment) · cisco-asr-1000-x (environment) · cisco-asr-1001 (environment) · cisco-asr-1001-hx (environment) · cisco-asr-1001-hx-r (environment) · cisco-asr-1001-x (environment) · cisco-asr-1001-x-r (environment) · cisco-asr-1002 (environment) · cisco-asr-1002-fixed-router (environment) · cisco-asr-1002-hx (environment) · cisco-asr-1002-hx-r (environment) · cisco-asr-1002-x (environment) · cisco-asr-1002-x-r (environment) · cisco-asr-1004 (environment) · cisco-asr-1006 (environment) · cisco-asr-1006-x (environment) · cisco-asr-1009-x (environment) · cisco-asr-1013 (environment) · cisco-asr-1023 (environment) · cisco-asr-1023-router (environment) · cisco-asr-5000 (environment) · cisco-asr-5500 (environment) · cisco-asr-5700 (environment) · cisco-asr-900 (environment) · cisco-asr-900-route-switch-processor-2-rsp2 (environment) · cisco-asr-900-route-switch-processor-3-rsp3 (environment) · cisco-asr-9000 (environment) · cisco-asr-9000-rsp440-router (environment) · cisco-asr-9000v (environment) · cisco-asr-9001 (environment) · cisco-asr-9006 (environment) · cisco-asr-901-12c-f-d (environment) · cisco-asr-901-12c-ft-d (environment) · cisco-asr-901-4c-f-d (environment) · cisco-asr-901-4c-ft-d (environment) · cisco-asr-901-6cz-f-a (environment) · cisco-asr-901-6cz-f-d (environment) · cisco-asr-901-6cz-fs-a (environment) · cisco-asr-901-6cz-fs-d (environment) · cisco-asr-901-6cz-ft-a (environment) · cisco-asr-901-6cz-ft-d (environment) · cisco-asr-9010 (environment) · cisco-asr-901s-2sg-f-ah (environment) · cisco-asr-901s-2sg-f-d (environment) · cisco-asr-901s-3sg-f-ah (environment) · cisco-asr-901s-3sg-f-d (environment) · cisco-asr-901s-4sg-f-d (environment) · cisco-asr-902 (environment) · cisco-asr-902u (environment) · cisco-asr-903 (environment) · cisco-asr-907 (environment) · cisco-asr-914 (environment) · cisco-asr-920-10sz-pd (environment) · cisco-asr-920-10sz-pd-r (environment) · cisco-asr-920-10sz-pd-router (environment) · cisco-asr-920-12cz-a (environment) · cisco-asr-920-12cz-a-r (environment) · cisco-asr-920-12cz-a-router (environment) · cisco-asr-920-12cz-d (environment) · cisco-asr-920-12cz-d-r (environment) · cisco-asr-920-12cz-d-router (environment) · cisco-asr-920-12sz-a (environment) · cisco-asr-920-12sz-d (environment) · cisco-asr-920-12sz-im (environment) · cisco-asr-920-12sz-im-cc (environment) · cisco-asr-920-12sz-im-r (environment) · cisco-asr-920-12sz-im-router (environment) · cisco-asr-920-20sz-m (environment) · cisco-asr-920-24sz-im (environment) · cisco-asr-920-24sz-im-r (environment) · cisco-asr-920-24sz-im-router (environment) · cisco-asr-920-24sz-m (environment) · cisco-asr-920-24sz-m-r (environment) · cisco-asr-920-24sz-m-router (environment) · cisco-asr-920-24tz-im (environment) · cisco-asr-920-24tz-m (environment) · cisco-asr-920-24tz-m-r (environment) · cisco-asr-920-24tz-m-router (environment) · cisco-asr-920-4sz-a (environment) · cisco-asr-920-4sz-a-r (environment) · cisco-asr-920-4sz-a-router (environment) · cisco-asr-920-4sz-d (environment) · cisco-asr-920-4sz-d-r (environment) · cisco-asr-920-4sz-d-router (environment) · cisco-asr-920u-12sz-im (environment) · cisco-asr-9901 (environment) · cisco-asr-9901-rp (environment) · cisco-asr-9903 (environment) · cisco-asr-9904 (environment) · cisco-asr-9906 (environment) · cisco-asr-9910 (environment) · cisco-asr-9912 (environment) · cisco-asr-9920 (environment) · cisco-asr-9922 (environment) · cisco-asr1000-2t-20x1ge (environment) · cisco-asr1000-6tge (environment) · cisco-asr1000-esp200 (environment) · cisco-asr1000-mip100 (environment) · cisco-asr1000-rp3 (environment) · cisco-asr1001-hx (environment) · cisco-asr1001-hx-rf (environment) · cisco-asr1001-x (environment) · cisco-asr1001-x-rf (environment) · cisco-asr1001-x-ws (environment) · cisco-asr1002-hx (environment) · cisco-asr1002-hx-rf (environment) · cisco-asr1002-hx-ws (environment) · cisco-asr1002-x (environment) · cisco-asr1002-x-rf (environment) · cisco-asr1002-x-ws (environment) · cisco-catalyst-3850 (environment) · cisco-catalyst-3850-12s-e (environment) · cisco-catalyst-3850-12s-s (environment) · cisco-catalyst-3850-12x48u (environment) · cisco-catalyst-3850-12xs-e (environment) · cisco-catalyst-3850-12xs-s (environment) · cisco-catalyst-3850-16xs-e (environment) · cisco-catalyst-3850-16xs-s (environment) · cisco-catalyst-3850-24p-e (environment) · cisco-catalyst-3850-24p-l (environment) · cisco-catalyst-3850-24p-s (environment) · cisco-catalyst-3850-24pw-s (environment) · cisco-catalyst-3850-24s-e (environment) · cisco-catalyst-3850-24s-s (environment) · cisco-catalyst-3850-24t-e (environment) · cisco-catalyst-3850-24t-l (environment) · cisco-catalyst-3850-24t-s (environment) · cisco-catalyst-3850-24u (environment) · cisco-catalyst-3850-24u-e (environment) · cisco-catalyst-3850-24u-l (environment) · cisco-catalyst-3850-24u-s (environment) · cisco-catalyst-3850-24xs (environment) · cisco-catalyst-3850-24xs-e (environment) · cisco-catalyst-3850-24xs-s (environment) · cisco-catalyst-3850-24xu (environment) · cisco-catalyst-3850-24xu-e (environment) · cisco-catalyst-3850-24xu-l (environment) · cisco-catalyst-3850-24xu-s (environment) · cisco-catalyst-3850-32xs-e (environment) · cisco-catalyst-3850-32xs-s (environment) · cisco-catalyst-3850-48f-e (environment) · cisco-catalyst-3850-48f-l (environment) · cisco-catalyst-3850-48f-s (environment) · cisco-catalyst-3850-48p-e (environment) · cisco-catalyst-3850-48p-l (environment) · cisco-catalyst-3850-48p-s (environment) · cisco-catalyst-3850-48pw-s (environment) · cisco-catalyst-3850-48t-e (environment) · cisco-catalyst-3850-48t-l (environment) · cisco-catalyst-3850-48t-s (environment) · cisco-catalyst-3850-48u (environment) · cisco-catalyst-3850-48u-e (environment) · cisco-catalyst-3850-48u-l (environment) · cisco-catalyst-3850-48u-s (environment) · cisco-catalyst-3850-48xs (environment) · cisco-catalyst-3850-48xs-e (environment) · cisco-catalyst-3850-48xs-f-e (environment) · cisco-catalyst-3850-48xs-f-s (environment) · cisco-catalyst-3850-48xs-s (environment) · cisco-catalyst-3850-nm-2-40g (environment) · cisco-catalyst-3850-nm-8-10g (environment) · cisco-catalyst-8200 (environment) · cisco-catalyst-8300 (environment) · cisco-catalyst-8300-1n1s-4t2x (environment) · cisco-catalyst-8300-1n1s-6t (environment) · cisco-catalyst-8300-2n2s-4t2x (environment) · cisco-catalyst-8300-2n2s-6t (environment) · cisco-catalyst-8500 (environment) · cisco-catalyst-8500-4qc (environment) · cisco-catalyst-8500l (environment) · cisco-catalyst-8510csr (environment) · cisco-catalyst-8510msr (environment) · cisco-catalyst-8540csr (environment) · cisco-catalyst-8540msr (environment) · cisco-catalyst-9100 (environment) · cisco-catalyst-9105 (environment) · cisco-catalyst-9105axi (environment) · cisco-catalyst-9105axw (environment) · cisco-catalyst-9115 (environment) · cisco-catalyst-9115-ap (environment) · cisco-catalyst-9115axe (environment) · cisco-catalyst-9115axi (environment) · cisco-catalyst-9117 (environment) · cisco-catalyst-9117-ap (environment) · cisco-catalyst-9117axi (environment) · cisco-catalyst-9120 (environment) · cisco-catalyst-9120-ap (environment) · cisco-catalyst-9120axe (environment) · cisco-catalyst-9120axi (environment) · cisco-catalyst-9120axp (environment) · cisco-catalyst-9124 (environment) · cisco-catalyst-9124axd (environment) · cisco-catalyst-9124axi (environment) · cisco-catalyst-9130 (environment) · cisco-catalyst-9130-ap (environment) · cisco-catalyst-9130axe (environment) · cisco-catalyst-9130axi (environment) · cisco-catalyst-9200 (environment) · cisco-catalyst-9200cx (environment) · cisco-catalyst-9200l (environment) · cisco-catalyst-9300 (environment) · cisco-catalyst-9300-24p-a (environment) · cisco-catalyst-9300-24p-e (environment) · cisco-catalyst-9300-24s-a (environment) · cisco-catalyst-9300-24s-e (environment) · cisco-catalyst-9300-24t-a (environment) · cisco-catalyst-9300-24t-e (environment) · cisco-catalyst-9300-24u-a (environment) · cisco-catalyst-9300-24u-e (environment) · cisco-catalyst-9300-24ux-a (environment) · cisco-catalyst-9300-24ux-e (environment) · cisco-catalyst-9300-48p-a (environment) · cisco-catalyst-9300-48p-e (environment) · cisco-catalyst-9300-48s-a (environment) · cisco-catalyst-9300-48s-e (environment) · cisco-catalyst-9300-48t-a (environment) · cisco-catalyst-9300-48t-e (environment) · cisco-catalyst-9300-48u-a (environment) · cisco-catalyst-9300-48u-e (environment) · cisco-catalyst-9300-48un-a (environment) · cisco-catalyst-9300-48un-e (environment) · cisco-catalyst-9300-48uxm-a (environment) · cisco-catalyst-9300-48uxm-e (environment) · cisco-catalyst-9300l (environment) · cisco-catalyst-9300l-24p-4g-a (environment) · cisco-catalyst-9300l-24p-4g-e (environment) · cisco-catalyst-9300l-24p-4x-a (environment) · cisco-catalyst-9300l-24p-4x-e (environment) · cisco-catalyst-9300l-24t-4g-a (environment) · cisco-catalyst-9300l-24t-4g-e (environment) · cisco-catalyst-9300l-24t-4x-a (environment) · cisco-catalyst-9300l-24t-4x-e (environment) · cisco-catalyst-9300l-48p-4g-a (environment) · cisco-catalyst-9300l-48p-4g-e (environment) · cisco-catalyst-9300l-48p-4x-a (environment) · cisco-catalyst-9300l-48p-4x-e (environment) · cisco-catalyst-9300l-48t-4g-a (environment) · cisco-catalyst-9300l-48t-4g-e (environment) · cisco-catalyst-9300l-48t-4x-a (environment) · cisco-catalyst-9300l-48t-4x-e (environment) · cisco-catalyst-9300l-stack (environment) · cisco-catalyst-9300lm (environment) · cisco-catalyst-9300x (environment) · cisco-catalyst-9400 (environment) · cisco-catalyst-9400-supervisor-engine-1 (environment) · cisco-catalyst-9407r (environment) · cisco-catalyst-9410r (environment) · cisco-catalyst-9500 (environment) · cisco-catalyst-9500h (environment) · cisco-catalyst-9600 (environment) · cisco-catalyst-9600-supervisor-engine-1 (environment) · cisco-catalyst-9600x (environment) · cisco-catalyst-9800 (environment) · cisco-catalyst-9800-40 (environment) · cisco-catalyst-9800-40-wireless-controller (environment) · cisco-catalyst-9800-80 (environment) · cisco-catalyst-9800-80-wireless-controller (environment) · cisco-catalyst-9800-cl (environment) · cisco-catalyst-9800-embedded-wireless-controller (environment) · cisco-catalyst-9800-l (environment) · cisco-catalyst-9800-l-c (environment) · cisco-catalyst-9800-l-f (environment) · cisco-catalyst-ie3200 (environment) · cisco-catalyst-ie3200-rugged-switch (environment) · cisco-catalyst-ie3300 (environment) · cisco-catalyst-ie3300-rugged-switch (environment) · cisco-catalyst-ie3400 (environment) · cisco-catalyst-ie3400-heavy-duty-switch (environment) · cisco-catalyst-ie3400-rugged-switch (environment) · cisco-catalyst-ie9300 (environment)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-248CWE-755

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