CVE-2022-20870

A vulnerability in the egress MPLS packet processing function of Cisco IOS XE Software for Cisco Catalyst 3650, Catalyst 3850, and Catalyst 9000 Family Switches could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient input validation of IPv4 traffic. An attacker could exploit this vulnerability by sending a malformed packet out of an affected MPLS-enabled interface. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

CVSS v3.0 8.6 HIGH

8.6^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-mpls-dos-Ab4OUL3	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:cisco:ios_xe:-:*:*:*:*:*:*:*

OR	cpe:2.3:h:cisco:catalyst_3850-48xs-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-24pdm-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-32xs-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-8x24pd-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-48xs-f-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-12x48uq-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-12s-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-12x48ur-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-24pd-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-12x48fd-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-24td-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-48fq-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-48fqm-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-48fs-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-48ps-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-48tq-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-8x24pd-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-8x24uq-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-16xs-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-24p-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-24s-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-24t-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-24u-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-24u-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-24xu-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-48p-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-48t-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-12x48uq-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-12x48ur-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-24pd-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-24pd-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-24pdm-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-24ps-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-24ps-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-24td-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-24ts-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-48fq-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-48fq-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-48fqm-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-48fs-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-48pd-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-48pd-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-48pq-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-48tq-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-8x24uq-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-12s-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-16xs-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-24p-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-24t-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-24xs-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-24xu-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-32xs-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-48f-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-48f-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-48p-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-48p-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-48t-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-48u-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-48u-l:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-48u-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-48xs-f-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3850-48xs-s:-:::::::*
	cpe:2.3:h:cisco:catalyst_c3850-12x48u-e:-:::::::*
	cpe:2.3:h:cisco:catalyst_3650-12x48fd-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-12x48fd-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-12x48uq:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-12x48uq-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-12x48ur:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-12x48ur-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-12x48uz:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-12x48uz-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-24pd:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-24pdm:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-24pdm-l:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-24ps-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-24td-l:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-24ts-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-24ts-l:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48fd-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48fd-l:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48fd-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48fq:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48fqm:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48fqm-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48fs-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48pd-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48pq-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48pq-l:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48ps-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48ps-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48td-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48td-l:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48td-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48tq-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48ts-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48ts-l:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-48ts-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-8x24pd-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-8x24uq:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-8x24uq-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-12x48u:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-12xs-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-12xs-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-24p-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-24pw-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-24s-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-24t-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-24u:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-24u-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-24xs:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-24xs-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-24xu:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-24xu-e:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-48f-l:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-48pw-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-48t-l:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-48u:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-48xs:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-nm-2-40g:-:::::::*
cpe:2.3:h:cisco:catalyst_3850-nm-8-10g:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-24p-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-24p-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-24s-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-24s-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-24t-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-24t-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-24u-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-24u-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-24ux-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-24ux-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-48p-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-48p-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-48s-a:-:::::::*
cpe:2.3:h:cisco:catalyst_c3850-12x48u-l:-:::::::*
cpe:2.3:h:cisco:catalyst_c3850-12x48u-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3650:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-12x48uz-l:-:::::::*
cpe:2.3:h:cisco:catalyst_3650-12x48uz-s:-:::::::*
cpe:2.3:h:cisco:catalyst_3850:-:::::::*
cpe:2.3:h:cisco:catalyst_9300:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-48s-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-48t-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-48t-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-48u-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-48u-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-48un-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-48un-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-48uxm-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300-48uxm-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-24p-4g-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-24p-4g-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-24p-4x-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-24p-4x-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-24t-4g-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-24t-4g-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-24t-4x-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-24t-4x-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-48p-4g-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-48p-4g-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-48p-4x-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-48p-4x-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-48t-4g-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-48t-4g-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-48t-4x-a:-:::::::*
cpe:2.3:h:cisco:catalyst_9300l-48t-4x-e:-:::::::*
cpe:2.3:h:cisco:catalyst_9300lm:-:::::::*
cpe:2.3:h:cisco:catalyst_9300x:-:::::::*
cpe:2.3:h:cisco:catalyst_9400:-:::::::*
cpe:2.3:h:cisco:catalyst_9500:-:::::::*
cpe:2.3:h:cisco:catalyst_9500h:-:::::::*
cpe:2.3:h:cisco:catalyst_9600:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-12q:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-12q-a:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-12q-e:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-16x:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-16x-a:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-16x-e:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-24q:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-24q-a:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-24q-e:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-24y4c:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-32c:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-32qc:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-40x:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-40x-a:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-40x-e:-:::::::*
cpe:2.3:h:cisco:catalyst_c9500-48y4c:-:::::::*
cpe:2.3:h:cisco:catalyst_c9600-lc-24c:-:::::::*
cpe:2.3:h:cisco:catalyst_c9600-lc-48s:-:::::::*
cpe:2.3:h:cisco:catalyst_c9600-lc-48tx:-:::::::*
cpe:2.3:h:cisco:catalyst_c9600-lc-48yl:-:::::::*

Information

Published : 2022-10-10 14:15

Updated : 2022-10-13 13:00

NVD link : CVE-2022-20870

Mitre link : CVE-2022-20870

JSON object : View

CWE

NVD-CWE-Other

Products Affected

cisco

catalyst_3850-24u-e
catalyst_9300l-24t-4g-e
catalyst_9300-24u-a
catalyst_c9500-24q-a
catalyst_3850-24s-s
catalyst_3650-48ps-l
catalyst_3850-48p-s
catalyst_9300l-48t-4x-a
catalyst_3650-48fd-l
catalyst_3650-48tq-e
catalyst_3650-48fq-s
catalyst_c9500-48y4c
catalyst_3650-48td-l
catalyst_3850-12xs-s
catalyst_c9600-lc-48yl
catalyst_9300l-24p-4g-a
catalyst_9300l-48p-4g-a
catalyst_c3850-12x48u-l
catalyst_9300-24ux-e
catalyst_3850-24s-e
catalyst_3650-48fqm
catalyst_9300l-48t-4g-a
catalyst_c9500-40x-a
catalyst_3850-12xs-e
catalyst_9300-48un-e
catalyst_9300l-48p-4x-a
catalyst_3650-12x48uq
catalyst_3650-48fs-s
catalyst_3650-12x48fd-s
catalyst_9300-48s-e
catalyst_3650-48pd-s
catalyst_c9500-24q
catalyst_9300l-24p-4x-a
catalyst_9300l-48p-4x-e
catalyst_3650-48fqm-e
catalyst_c9500-12q-e
catalyst_3850-24xs
catalyst_3850-24p-s
catalyst_3650-8x24pd-e
catalyst_3650-48tq-l
catalyst_c9500-32qc
catalyst_c9500-32c
catalyst_9300l-48p-4g-e
catalyst_c9500-24y4c
catalyst_3650-24ps-e
catalyst_3850-24t-e
catalyst_3850-48p-e
catalyst_3650-48fs-l
catalyst_3650-24td-l
catalyst_3850-48xs
catalyst_3650-48pq-e
catalyst_3850-24pw-s
catalyst_3650-48fq-e
catalyst_9300l-24p-4g-e
catalyst_9300l-24t-4g-a
catalyst_3650-24pdm-s
catalyst_9300lm
catalyst_9300l-24t-4x-e
catalyst_9300-48uxm-e
catalyst_3650-24ts-s
catalyst_3650-24pd-l
catalyst_3650-8x24uq
catalyst_3850-48u
catalyst_c9500-16x-a
catalyst_9300-48un-a
catalyst_3850-24t-s
catalyst_9300-48u-e
catalyst_9300-48p-a
catalyst_9300-48t-e
catalyst_3850-24t-l
catalyst_3850-24u-s
catalyst_9600
catalyst_9500h
catalyst_3650-48ts-l
catalyst_3650-12x48ur-l
catalyst_9300-24ux-a
catalyst_3650-12x48uq-e
catalyst_3650-12x48uz-e
catalyst_c9500-40x
catalyst_3650-12x48uz
catalyst_3650-48ps-s
catalyst_3650-8x24uq-s
catalyst_3850-24xu-s
catalyst_3650-24pdm-l
catalyst_3850-24xu-e
catalyst_9300-48u-a
catalyst_9300l-24t-4x-a
catalyst_3650-24td-s
catalyst_3650-48fq-l
catalyst_3650-48ts-s
catalyst_3650-12x48ur-e
catalyst_3850-48u-e
catalyst_3850-48xs-e
catalyst_9300-24p-a
catalyst_9300-48s-a
catalyst_3650-24pdm
catalyst_3650-24ts-e
catalyst_3850-48pw-s
catalyst_3850-32xs-e
catalyst_3650-24pd-s
catalyst_3650-48fq
catalyst_3650-48fs-e
catalyst_c9500-16x
catalyst_3850-12s-e
catalyst_3850-48p-l
catalyst_3850-48xs-f-s
catalyst_3850-32xs-s
catalyst_9300-24s-e
catalyst_3650-24td-e
catalyst_3650-48td-s
catalyst_3650-8x24uq-l
catalyst_9300
catalyst_3650-12x48uq-l
catalyst_3650-48fqm-s
catalyst_3850-48t-e
catalyst_c3850-12x48u-e
catalyst_3650-8x24uq-e
catalyst_9300l
catalyst_3850-48u-l
catalyst_3850-24p-l
catalyst_3650-48ts-e
catalyst_3650-48fqm-l
catalyst_3850-24xu
catalyst_3650-48fd-e
catalyst_9300l-48t-4g-e
catalyst_9300l-48t-4x-e
catalyst_3850
catalyst_3850-nm-2-40g
catalyst_3650-48ps-e
catalyst_9300-24p-e
catalyst_9300-24u-e
catalyst_3850-24xu-l
catalyst_9300-48t-a
catalyst_3850-12x48u
catalyst_3650-12x48uz-l
catalyst_9300x
catalyst_3850-48t-s
catalyst_3650-48td-e
catalyst_3650-12x48fd-e
catalyst_3850-48f-s
catalyst_3850-48xs-s
catalyst_9300-24t-e
catalyst_3850-48f-e
catalyst_9300-24s-a
catalyst_c9500-40x-e
catalyst_3650-12x48uz-s
catalyst_9400
catalyst_3850-24u
catalyst_3850-48xs-f-e
catalyst_3650-8x24pd-s
catalyst_3850-48t-l
catalyst_3650-48tq-s
catalyst_3650-48pq-l
catalyst_9300-48p-e
catalyst_9300l-24p-4x-e
ios_xe
catalyst_9500
catalyst_c9500-16x-e
catalyst_3650-24ps-s
catalyst_3850-24p-e
catalyst_3650-24ts-l
catalyst_3850-12s-s
catalyst_3650-12x48ur-s
catalyst_3850-nm-8-10g
catalyst_3650-12x48fd-l
catalyst_3650-48fd-s
catalyst_9300-48uxm-a
catalyst_3850-16xs-e
catalyst_3650-24pd
catalyst_3850-48u-s
catalyst_3850-24xs-s
catalyst_3650-24pd-e
catalyst_3650-12x48ur
catalyst_3650-48pd-l
catalyst_c9500-12q-a
catalyst_3650-24ps-l
catalyst_c9500-24q-e
catalyst_3850-24xs-e
catalyst_c9600-lc-48s
catalyst_3850-16xs-s
catalyst_3650-48pq-s
catalyst_c9600-lc-48tx
catalyst_3650-8x24pd-l
catalyst_3650-48pd-e
catalyst_9300-24t-a
catalyst_3650
catalyst_c3850-12x48u-s
catalyst_3850-48f-l
catalyst_3650-12x48uq-s
catalyst_3850-24u-l
catalyst_c9500-12q
catalyst_c9600-lc-24c
catalyst_3650-24pdm-e

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-mpls-dos-Ab4OUL3", "name": "20220928 Cisco IOS XE Software for Catalyst Switches MPLS Denial of Service Vulnerability", "tags": ["Vendor Advisory"], "refsource": "CISCO"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "A vulnerability in the egress MPLS packet processing function of Cisco IOS XE Software for Cisco Catalyst 3650, Catalyst 3850, and Catalyst 9000 Family Switches could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient input validation of IPv4 traffic. An attacker could exploit this vulnerability by sending a malformed packet out of an affected MPLS-enabled interface. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2022-20870", "ASSIGNER": "psirt@cisco.com"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 3.9}}, "publishedDate": "2022-10-10T21:15Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:cisco:ios_xe:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": 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8.6 /10