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Rewterz Threat Advisory – CVE-2019-16018 – Cisco IOS XR Software BGP EVPN Operational Routes Denial of Service Vulnerability
January 27, 2020
Rewterz Threat Alert – Vivin’s Cryptominers Spreading Through Pirated Software
January 28, 2020

Rewterz Threat Advisory – CVE-2019-12636 – Cisco Small Business Smart and Managed Switches Cross-Site Request Forgery Vulnerability

January 28, 2020

Severity

High

Analysis Summary

Cisco Small Business Smart and Managed Switches are vulnerable to a Cross-Site Request Forgery flaw. A vulnerability in the web-based management interface of Cisco Small Business Smart and Managed Switches could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. The vulnerability is due to insufficient CSRF protections for the web-based management interface on an affected device. An attacker could exploit this vulnerability by persuading a user of the interface to follow a malicious link. A successful exploit could allow the attacker to perform arbitrary actions with the privilege level of the targeted user. If the user has administrative privileges, the attacker could alter the configuration, execute commands, or cause a denial of service (DoS) condition on an affected device.
Cisco has released software updates that address this vulnerability.

Impact

  • Cross-site Request Forgery
  • Privilege Abuse
  • Unauthorized Command Execution
  • Denial of Service

Affected Vendors

Cisco

Affected Products

  • 250 Series Smart Switches
  • 350 Series Managed Switches
  • 550X Series Stackable Managed Switches
  • Small Business 200 Series Smart Switches
  • Small Business 300 Series Managed Switches
  • Small Business 500 Series Stackable Managed Switches

Remediation

Cisco fixed this vulnerability in Release 2.5.0.90 for the following Cisco products:

  • 250 Series Smart Switches
  • 350 Series Managed Switches
  • 550X Series Stackable Managed Switches

Cisco fixed this vulnerability in Release 1.4.11.02 for the following Cisco products:

  • Small Business 200 Series Smart Switches
  • Small Business 300 Series Managed Switches
  • Small Business 500 Series Stackable Managed Switches
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  • Transform
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