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    CVE-2017-12232

    A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS 15.0 through 15.6 could allow an unauthenticated, adjacent attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a misclassification of Ethernet frames. An attacker could exploit this vulnerability by sending a crafted Ethernet frame to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCvc03809.

    Published:Sep 28, 2017
    Last Modified:Apr 22, 2026
    EPS:Sep 28, 2017
    EPSS Score:0.00987
    CVSS Score:6.5

    CISA Notification

    Description

    A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS 15.0 through 15.6 could allow an unauthenticated, adjacent attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a misclassification of Ethernet frames. An attacker could exploit this vulnerability by sending a crafted Ethernet frame to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCvc03809.

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    Mar 24, 2022
    1632 days ago
    Alert Date
    Mar 3, 2022
    1653 days ago

    Affected Products

    Vendor
    Cisco
    Product
    1000 Integrated Services Router
    Vendor
    Cisco
    Product
    1100-4g\/6g Integrated Services Router
    Vendor
    Cisco
    Product
    1100-4g Integrated Services Router
    Vendor
    Cisco
    Product
    1100-4gltegb Integrated Services Router
    Vendor
    Cisco
    Product
    1100-4gltena Integrated Services Router
    Vendor
    Cisco
    Product
    1100-8p Integrated Services Router
    Vendor
    Cisco
    Product
    1100-lte Integrated Services Router
    Vendor
    Cisco
    Product
    1100 Integrated Services Router
    Vendor
    Cisco
    Product
    1101-4p Integrated Services Router
    Vendor
    Cisco
    Product
    1101 Integrated Services Router
    Vendor
    Cisco
    Product
    1109-2p Integrated Services Router
    Vendor
    Cisco
    Product
    1109-4p Integrated Services Router
    Vendor
    Cisco
    Product
    1109 Integrated Services Router
    Vendor
    Cisco
    Product
    1111x-8p Integrated Services Router
    Vendor
    Cisco
    Product
    1111x Integrated Services Router
    Vendor
    Cisco
    Product
    111x Integrated Services Router
    Vendor
    Cisco
    Product
    1120 Integrated Services Router
    Vendor
    Cisco
    Product
    1131 Integrated Services Router
    Vendor
    Cisco
    Product
    1160 Integrated Services Router
    Vendor
    Cisco
    Product
    1801 Integrated Service Router
    Vendor
    Cisco
    Product
    1802 Integrated Service Router
    Vendor
    Cisco
    Product
    1803 Integrated Service Router
    Vendor
    Cisco
    Product
    1811 Integrated Service Router
    Vendor
    Cisco
    Product
    1812 Integrated Service Router
    Vendor
    Cisco
    Product
    1841 Integrated Service Router
    Vendor
    Cisco
    Product
    1861 Integrated Service Router
    Vendor
    Cisco
    Product
    1905 Integrated Services Router
    Vendor
    Cisco
    Product
    1906c Integrated Services Router
    Vendor
    Cisco
    Product
    1921 Integrated Services Router
    Vendor
    Cisco
    Product
    1941 Integrated Services Router
    Vendor
    Cisco
    Product
    1941w Integrated Services Router
    Vendor
    Cisco
    Product
    4000 Integrated Services Router
    Vendor
    Cisco
    Product
    4221 Integrated Services Router
    Vendor
    Cisco
    Product
    422 Integrated Services Router
    Vendor
    Cisco
    Product
    4321\/k9-rf Integrated Services Router
    Vendor
    Cisco
    Product
    4321\/k9-ws Integrated Services Router
    Vendor
    Cisco
    Product
    4321\/k9 Integrated Services Router
    Vendor
    Cisco
    Product
    4321 Integrated Services Router
    Vendor
    Cisco
    Product
    4331\/k9-rf Integrated Services Router
    Vendor
    Cisco
    Product
    4331\/k9-ws Integrated Services Router
    Vendor
    Cisco
    Product
    4331\/k9 Integrated Services Router
    Vendor
    Cisco
    Product
    4331 Integrated Services Router
    Vendor
    Cisco
    Product
    4351\/k9-rf Integrated Services Router
    Vendor
    Cisco
    Product
    4351\/k9-ws Integrated Services Router
    Vendor
    Cisco
    Product
    4351\/k9 Integrated Services Router
    Vendor
    Cisco
    Product
    4351 Integrated Services Router
    Vendor
    Cisco
    Product
    4431 Integrated Services Router
    Vendor
    Cisco
    Product
    44461 Integrated Services Router
    Vendor
    Cisco
    Product
    4451-x Integrated Services Router
    Vendor
    Cisco
    Product
    4451 Integrated Services Router
    Vendor
    Cisco
    Product
    4461 Integrated Services Router
    Vendor
    Cisco
    Product
    829 Industrial Integrated Services Router
    Vendor
    Cisco
    Product
    829 Industrial Integrated Services Routers
    Vendor
    Cisco
    Product
    829 Integrated Services Router
    Vendor
    Cisco
    Product
    860vae-w Integrated Services Router
    Vendor
    Cisco
    Product
    861 Integrated Services Router
    Vendor
    Cisco
    Product
    861w Integrated Services Router
    Vendor
    Cisco
    Product
    866vae Integrated Services Router
    Vendor
    Cisco
    Product
    867 Integrated Services Router
    Vendor
    Cisco
    Product
    867vae Integrated Services Router
    Vendor
    Cisco
    Product
    871 Integrated Services Router
    Vendor
    Cisco
    Product
    880-voice Integrated Services Router
    Vendor
    Cisco
    Product
    880 3g Integrated Services Router
    Vendor
    Cisco
    Product
    881-cube Integrated Services Router
    Vendor
    Cisco
    Product
    881 3g Integrated Services Router
    Vendor
    Cisco
    Product
    881 Integrated Services Router
    Vendor
    Cisco
    Product
    881w Integrated Services Router
    Vendor
    Cisco
    Product
    886 Integrated Services Router
    Vendor
    Cisco
    Product
    886va-cube Integrated Services Router
    Vendor
    Cisco
    Product
    886va-w Integrated Services Router
    Vendor
    Cisco
    Product
    886va Integrated Services Router
    Vendor
    Cisco
    Product
    886vag 3g Integrated Services Router
    Vendor
    Cisco
    Product
    887 Integrated Services Router
    Vendor
    Cisco
    Product
    887v Integrated Services Router
    Vendor
    Cisco
    Product
    887va-cube Integrated Services Router
    Vendor
    Cisco
    Product
    887va-w Integrated Services Router
    Vendor
    Cisco
    Product
    887va Integrated Services Router
    Vendor
    Cisco
    Product
    887vag 3g Integrated Services Router
    Vendor
    Cisco
    Product
    887vam-w Integrated Services Router
    Vendor
    Cisco
    Product
    887vamg 3g Integrated Services Router
    Vendor
    Cisco
    Product
    888-cube Integrated Services Router
    Vendor
    Cisco
    Product
    888 Integrated Services Router
    Vendor
    Cisco
    Product
    888e-cube Integrated Services Router
    Vendor
    Cisco
    Product
    888e Integrated Services Router
    Vendor
    Cisco
    Product
    888eg 3g Integrated Services Router
    Vendor
    Cisco
    Product
    888w Integrated Services Router
    Vendor
    Cisco
    Product
    891-24x Integrated Services Router
    Vendor
    Cisco
    Product
    891 Integrated Services Router
    Vendor
    Cisco
    Product
    891w Integrated Services Router
    Vendor
    Cisco
    Product
    892 Integrated Services Router
    Vendor
    Cisco
    Product
    892f-cube Integrated Services Router
    Vendor
    Cisco
    Product
    892w Integrated Services Router
    Vendor
    Cisco
    Product
    Asr 1000
    Vendor
    Cisco
    Product
    Asr 1000-esp100
    Vendor
    Cisco
    Product
    Asr 1000-esp100-x
    Vendor
    Cisco
    Product
    Asr 1000-esp200-x
    Vendor
    Cisco
    Product
    Asr 1000-x
    Vendor
    Cisco
    Product
    Asr 1000
    Vendor
    Cisco
    Product
    Asr 1001
    Vendor
    Cisco
    Product
    Asr 1001-hx
    Vendor
    Cisco
    Product
    Asr 1001-hx R
    Vendor
    Cisco
    Product
    Asr 1001-x
    Vendor
    Cisco
    Product
    Asr 1001-x R
    Vendor
    Cisco
    Product
    Asr 1002
    Vendor
    Cisco
    Product
    Asr 1002-hx
    Vendor
    Cisco
    Product
    Asr 1002-hx R
    Vendor
    Cisco
    Product
    Asr 1002-x
    Vendor
    Cisco
    Product
    Asr 1002-x R
    Vendor
    Cisco
    Product
    Asr 1004
    Vendor
    Cisco
    Product
    Asr 1006
    Vendor
    Cisco
    Product
    Asr 1006-x
    Vendor
    Cisco
    Product
    Asr 1009-x
    Vendor
    Cisco
    Product
    Asr 1013
    Vendor
    Cisco
    Product
    Asr 1023
    Vendor
    Cisco
    Product
    Catalyst 8200
    Vendor
    Cisco
    Product
    Catalyst 8300
    Vendor
    Cisco
    Product
    Catalyst 8300-1n1s-4t2x
    Vendor
    Cisco
    Product
    Catalyst 8300-1n1s-6t
    Vendor
    Cisco
    Product
    Catalyst 8300-2n2s-4t2x
    Vendor
    Cisco
    Product
    Catalyst 8300-2n2s-6t
    Vendor
    Cisco
    Product
    Catalyst 8500
    Vendor
    Cisco
    Product
    Catalyst 8500-4qc
    Vendor
    Cisco
    Product
    Catalyst 8500l
    Vendor
    Cisco
    Product
    Catalyst 8510csr
    Vendor
    Cisco
    Product
    Catalyst 8510msr
    Vendor
    Cisco
    Product
    Catalyst 8540csr
    Vendor
    Cisco
    Product
    Catalyst 8540msr
    Vendor
    Cisco
    Product
    Cloud Services Router 1000v
    Vendor
    Cisco
    Product
    Integrated Services Virtual Router
    Vendor
    Cisco
    Product
    Ios

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High