Cisco IOS and IOS XE Software Smart Call Home Certificate Validation Vulnerability

A
vulnerability in the Cisco Smart Call Home feature of Cisco
IOS and IOS XE Software could allow an unauthenticated, remote
attacker to gain unauthorized read access to sensitive data using an invalid
certificate.

The vulnerability is due to insufficient certificate validation by the
affected software. An attacker could exploit this vulnerability by
supplying a crafted certificate to an affected device. A successful
exploit could allow the attacker to conduct man-in-the-middle attacks to
decrypt confidential information on user connections to the affected
software.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-call-home-cert

Security Impact Rating: Medium

CVE: CVE-2019-1757

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