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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2019-1891US | high7.5 | — | ||
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… | ||||
references
External citations — patches, advisories, analysis.
- Cisco Small Business Series Switches HTTP Denial of Service Vulnerabilityself
- Cisco Security Vulnerability Policyexternal
- free software updatesexternal
- Release Notes for 200, 300, and 500 Series Switchesexternal
- https://www.cisco.com/c/en/us/products/end-user-license-agreement.htmlexternal
- https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.htmlexternal
- Cisco Security Advisories and Alerts pageexternal
remediations (1)
- FixedCisco Small Business 300 Series Managed Switches
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
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