#VU19029 Input validation error in Cisco Systems, Inc products - CVE-2019-1891 

 

#VU19029 Input validation error in Cisco Systems, Inc products - CVE-2019-1891

Published: July 8, 2019


Vulnerability identifier: #VU19029
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-1891
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Small Business 500 Series Stackable Managed Switches
Cisco Small Business 300 Series Managed Switches
Cisco Small Business 200 Series Smart Switches
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper validation of requests sent to the web interface. A remote attacker can send a malicious request to the web interface and cause an unexpected reload of the device, resulting in a DoS condition.


Remediation

Install updates from vendor's website.

External links