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…

medium6.5CVSS 3.1

AVAACLPRNUINSUCNINAH

KEVITW

CISA Known Exploited Vulnerabilitydue 2022-03-24

Exploited in the wild

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
cisco	ios	—	—
cisco	ios	15.0 – 15.6	—

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

vulncheck6.5MEDIUM

cisa6.5MEDIUM