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.
Published 2023-01-20 07:15:14
Updated 2024-01-25 17:15:25
View at NVD,   CVE.org
Vulnerability category: Input validationDenial of service

Products affected by CVE-2023-20020

Exploit prediction scoring system (EPSS) score for CVE-2023-20020

0.14%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-20020

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.6
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
3.9
4.0
NIST
8.6
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
3.9
4.0
Cisco Systems, Inc.

CWE ids for CVE-2023-20020

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)
  • The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
    Assigned by: ykramarz@cisco.com (Secondary)

References for CVE-2023-20020

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