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Cisco IOS XE: denial of service via SNMP
Synthesis of the vulnerability
An authenticated attacker can send malicious SNMP packets to a device running Cisco IOS XE, in order to trigger a denial of service.
Impacted products: Cisco Catalyst, IOS by Cisco, IOS XE Cisco, Cisco Router.
Creation date: 20/04/2017.
Revision date: 10/05/2017.
Identifiers: CERTFR-2017-AVI-127, cisco-sa-20170419-ios-xe-snmp, CVE-2017-6615, VIGILANCE-VUL-22513.
Description of the vulnerability
The Cisco IOS and IOS XE products have a service to manage received SNMP packets.
However, when malicious SNMP packets are received, a fatal error then a device reboot occurs.
An authenticated attacker can therefore send malicious SNMP packets to a device running Cisco IOS XE, in order to trigger a denial of service.
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