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Synthesis of the vulnerability 
An attacker can trigger a fatal error via Enf Broker of Cisco IOS XR, in order to trigger a denial of service.
 Impacted software: Cisco ASR, IOS XR Cisco.
Severity of this computer vulnerability: 3/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 03/02/2021.
Références of this announce: CERTFR-2021-AVI-082, cisco-sa-iosxr-dos-WwDdghs2, CSCuy67256, CSCuz39742, CVE-2021-1288, CVE-2021-1313, VIGILANCE-VUL-34474.
Description of the vulnerability 
An attacker can trigger a fatal error via Enf Broker of Cisco IOS XR, in order t...
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This cybersecurity threat impacts software or systems such as Cisco ASR, IOS XR Cisco.
Our Vigil@nce team determined that the severity of this computer threat note is important.
The trust level is of type confirmed by the editor, with an origin of internet client.
This bulletin is about 2 vulnerabilities.
An attacker with a expert ability can exploit this security threat.
Solutions for this threat 
Workarounds for this vulnerability are not yet public.
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