VULNERABILITY INTELLIGENCE

CVE-2017-12232

CVSS score6.5 MEDIUM
EPSS probability2.15%
CISA KEVKnown exploited vulnerability
Published2017-09-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Known Exploited Vulnerability

Cisco IOS Software for Cisco Integrated Services Routers Denial-of-Service Vulnerability

Vendor / product: Cisco / IOS software

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.

Primary references