Author Archives: CIRT Team



CIRT Team

in Security Advisories & Alerts

Cisco Small Business SPA50x, SPA51x, and SPA52x Series IP Phones SIP Denial of Service Vulnerability

Description: A vulnerability in the implementation of Session Initiation Protocol (SIP) functionality in Cisco Small Business SPA50x, SPA51x, and SPA52x Series IP Phones could allow an unauthenticated, remote attacker to cause an affected device to become unresponsive, resulting in a denial of service (DoS) condition. The vulnerability is due to...

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22 Oct 2017
in Security Advisories & Alerts

Cisco FXOS and NX-OS System Software Authentication, Authorization, and Accounting Denial of Service Vulnerability

Description:  A vulnerability in the authentication, authorization, and accounting (AAA) implementation of Cisco Firepower Extensible Operating System (FXOS) and NX-OS System Software could allow an unauthenticated, remote attacker to cause an affected device to reload. Impact: The vulnerability occurs because AAA processes prevent the NX-OS System Manager from receiving keepalive...

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22 Oct 2017
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