CVE-2023-20020: Input Validation

Published Jan 19, 2023
·
Updated

A vulnerability in the Device Management Servlet application of Cisco BroadWorks Application Delivery Platform and Cisco BroadWorks Xtended Services Platform could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper input validation when parsing HTTP requests. An attacker could exploit this vulnerability by sending a sustained stream of crafted requests to an affected device. A successful exploit could allow the attacker to cause all subsequent requests to be dropped, resulting in a DoS condition.

Affected Software

2 affected components
Cisco Broadworks Application Delivery Platform Device Management>=22.0<2022.11_1.273
Cisco BroadWorks Xtended Services Platform>=22.0<23.0.1075.ap384245

Event History

Jan 19, 2023
CVE Published
via MITRE·01:35 AM
Data Sourced
via MITRE·01:35 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is CVE-2023-20020?

CVE-2023-20020 is a vulnerability in the Device Management Servlet application of Cisco BroadWorks Application Delivery Platform and Cisco BroadWorks Xtended Services Platform that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.

2

What is the severity of CVE-2023-20020?

The severity of CVE-2023-20020 is high, with a CVSS score of 8.6.

3

How does CVE-2023-20020 impact Cisco BroadWorks Application Deliver…?

CVE-2023-20020 could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.

4

How do I fix CVE-2023-20020?

To fix CVE-2023-20020, Cisco recommends upgrading to a fixed software release or implementing mitigations as mentioned in the Cisco Security Advisory.

5

Where can I find more information about CVE-2023-20020?

You can find more information about CVE-2023-20020 in the Cisco Security Advisory available at the following link: [Cisco Security Advisory for CVE-2023-20020](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-bw-dos-HpkeYzp)

Contact

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