What We Do
How we do it
Resources
Company
ABOUT ESENTIRE
About Us
eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 1500+ organizations in 80+ countries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events.
Read about how we got here
Leadership Work at eSentire
LATEST PRESS RELEASE
Sep 20, 2022
eSentire Recognized as Top Global MDR Provider by MSSP Alert, CrowdStrike and G2
Waterloo, ON - September 21, 2022 – eSentire, Inc., the Authority in Managed Detection and Response (MDR), celebrated multiple industry recognitions as the leading global MDR provider, over the last week: Named #9, and the top pure play MDR provider on MSSP Alert’s Top 250 MSSPs global rankingRecognized as the CrowdStrike 2022 Global MSSP Partner of the Year Earned G2’s industry-renowned status…
Read More
Partners
PARTNER PROGRAM
e3 Ecosystem
We provide sophisticated cybersecurity solutions for Managed Security Service Providers (MSSPs), Managed Service Providers (MSPs), and Value-Added Resellers (VARs). Find out why you should partner with eSentire, the Authority in Managed Detection and Response, today.
Learn more
ECOSYSTEM PARTNER RESOURCES
Apply to become an e3 ecosystem partner with eSentire, the Authority in Managed Detection and Response.
Login to the Partner Portal for resources and content for current partners.
Search
Resources
Security advisories — Jun 19, 2019

SSH Key Vulnerability in Cisco Switches

1 minute read
Speak With A Security Expert Now

A vulnerability in the Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software has been identified by the security researcher Oliver Matula [1]. If exploited, the vulnerability would allow a remote and unauthenticated threat actor to connect to vulnerable system with root user privileges. At this time, proof of concept code is not publicly available, and exploitation has not been identified in the wild.

A security patch for the vulnerability has been released. It is highly recommended to apply the patch, after a business impact review is performed.

What are we doing about it

What you should do about it

Additional information

This Cisco vulnerability is being tracked as CVE-2019-1804 [2]. All versions of Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode prior to 14.1(1i) are affected.

The source of the vulnerability resides in the use of default SSH key pair that is present in the affected devices. The SSH key pair can be used to access affected devices through an SSH connection using IPv6. IPv4 connections are not vulnerable to this attack.

Resources:

[1] https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-nexus9k-sshkey

[2] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1804

Join 100,000+ Security Leaders

Get notified when there's a new security advisory, and receive the latest news, intel and helpful tools & assets. You can unsubscribe anytime.

By clicking the button below I confirm that I have read and agree to the eSentire privacy policy.

View Most Recent Blogs