High severity8.6NVD Advisory· Published Jan 20, 2023· Updated Jun 17, 2026
CVE-2023-20020
CVE-2023-20020
Description
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.
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Affected products
3- Range: 23.0
Patches
Vulnerability mechanics
References
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