CVE-2019-1757

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

Description

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.63%
Vendor Advisory cisco.com
Affected: Cisco Cisco IOS and IOS XE Software
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-call-home-cert vendor advisory
http://www.securityfocus.com/bid/107617 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-1757?
CVE-2019-1757 has been scored as a medium severity vulnerability.
How to fix CVE-2019-1757?
To fix CVE-2019-1757, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-1757 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-1757 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-1757?
CVE-2019-1757 affects Cisco Cisco IOS and IOS XE Software.
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