CVE-2019-1891: Cisco Small Business Series Switches HTTP Denial of Service Vulnerability
A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of requests sent to the web interface. An attacker could exploit this vulnerability by sending a malicious request to the web interface of an affected device. A successful exploit could allow the attacker to cause an unexpected reload of the device, resulting in a DoS condition.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2019-1891?
CVE-2019-1891 has a CVSS score that indicates it allows an unauthenticated remote attacker to create a denial-of-service condition.
How do I fix CVE-2019-1891?
To remedy CVE-2019-1891, upgrade the affected Cisco Small Business Managed Switches to firmware version 1.4.10.6 or later.
What devices are affected by CVE-2019-1891?
CVE-2019-1891 affects various models in the Cisco Small Business 200, 300, and 500 Series Managed Switches.
Can CVE-2019-1891 be exploited remotely?
Yes, CVE-2019-1891 can be exploited by unauthenticated remote attackers, resulting in a denial-of-service attack.
Does CVE-2019-1891 require authentication for exploitation?
No, CVE-2019-1891 does not require any authentication to exploit.