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1. CISCO IOS XE SSH TWO FACTOR SERIAL NUMBER
2. CISCO IOS XE SSH TWO FACTOR INSTALL
3. CISCO IOS XE SSH TWO FACTOR UPGRADE
4. CISCO IOS XE SSH TWO FACTOR SOFTWARE

txt file that includes a list of specific releases

CISCO IOS XE SSH TWO FACTOR SOFTWARE

Choose the software and one or more releases.If applicable, the tool also returns the earliest release that fixes all the vulnerabilities described in all the advisories identified (“Combined First Fixed”).Ĭustomers can use the Cisco Software Checker to search advisories in the following ways: To help customers determine their exposure to vulnerabilities in Cisco IOS and IOS XE Software, Cisco provides the Cisco Software Checker to identify any Cisco Security Advisories that impact a specific software release and the earliest release that fixes the vulnerabilities described in each advisory (“First Fixed”).

CISCO IOS XE SSH TWO FACTOR SERIAL NUMBER

Customers Without Service ContractsĬustomers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco TAC:Ĭustomers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release.

CISCO IOS XE SSH TWO FACTOR UPGRADE

When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page, to determine exposure and a complete upgrade solution. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades. In most cases this will be a maintenance upgrade to software that was previously purchased. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license:Īdditionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner.

CISCO IOS XE SSH TWO FACTOR INSTALL

Customers may only install and expect support for software versions and feature sets for which they have purchased a license. For a complete list of the advisories and links to them, see Cisco Event Response: June 2020 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication.Ĭisco has released free software updates that address the vulnerability described in this advisory. This advisory is part of the June 3, 2020, release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication, which includes 23 Cisco Security Advisories that describe 25 vulnerabilities. This advisory is available at the following link: There are no workarounds that address this vulnerability. A successful exploit could allow an attacker to cause the device to reload, resulting in a denial of service (DoS) condition.Ĭisco has released software updates that address this vulnerability. An attacker could exploit this vulnerability by creating an SSH connection to an affected device and using a specific traffic pattern that causes an error condition within that connection. The vulnerability is due to an internal state not being represented correctly in the SSH state machine, which leads to an unexpected behavior. A vulnerability in the Secure Shell (SSH) server code of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload.