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HIGH · 7.5

CVE-2019-1891

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 a...

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
CiscoSf200-24 Firmware< 1.4.10.6
CiscoSf200-24-
CiscoSf200-24P Firmware< 1.4.10.6
CiscoSf200-24P-
CiscoSf200-48 Firmware< 1.4.10.6
CiscoSf200-48-
CiscoSf200-48P Firmware< 1.4.10.6
CiscoSf200-48P-
CiscoSg200-18 Firmware< 1.4.10.6
CiscoSg200-18-
CiscoSg200-26 Firmware< 1.4.10.6
CiscoSg200-26-
CiscoSg200-26P Firmware< 1.4.10.6
CiscoSg200-26P-
CiscoSg200-50 Firmware< 1.4.10.6
CiscoSg200-50-
CiscoSg200-50P Firmware< 1.4.10.6
CiscoSg200-50P-
CiscoSg300-10 Firmware< 1.4.10.6
CiscoSg300-10-

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2019-1891?

CVE-2019-1891 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 a...

How severe is CVE-2019-1891?

CVE-2019-1891 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-1891?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Sf200-24 Firmware, Cisco Sf200-24, Cisco Sf200-24P Firmware, Cisco Sf200-24P, Cisco Sf200-48 Firmware.