CVE-2020-37202
BaseFortify
Publication date: 2026-02-11
Last updated on: 2026-02-12
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-120 | The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2020-37202 is a denial of service (DoS) vulnerability in NetworkSleuth version 3.0.0.0 caused by a buffer overflow condition. When an attacker inputs an oversized registration key, specifically a payload of about 1000 characters, the application crashes. This happens because the software does not properly check the size of the input in the registration key field, leading to instability and a forced shutdown of the application.
How can this vulnerability impact me? :
This vulnerability allows an attacker to disrupt the normal operation of NetworkSleuth by causing the application to crash. The impact is a denial of service, meaning legitimate users may be unable to use the software while it is crashed. The attack requires local access and user interaction, but no special privileges. The crash can interrupt workflows and potentially cause loss of availability of the application.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
[{'type': 'paragraph', 'content': 'This vulnerability can be detected by attempting to reproduce the denial of service condition on the NetworkSleuth 3.0.0.0 application. Specifically, an oversized registration key payload of approximately 1000 characters can be generated and input into the registration key field to see if the application crashes.'}, {'type': 'paragraph', 'content': "A practical detection method involves creating a payload file containing 1000 'A' characters using a simple script, then copying and pasting this payload into the registration key field of the application."}, {'type': 'paragraph', 'content': 'Example command to generate the payload file (using Python):'}, {'type': 'list_item', 'content': 'python -c "print(\'A\'*1000)" > poc.txt'}, {'type': 'paragraph', 'content': "After generating the payload, launch NetworkSleuth, navigate to the registration interface, and paste the contents of 'poc.txt' into the key field. If the application crashes, the vulnerability is present."}] [2]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include avoiding the use of oversized registration keys and restricting user input length in the registration key field to prevent buffer overflow.
Since the vulnerability requires local user interaction to trigger, limiting access to the application and ensuring only trusted users can input registration keys can reduce risk.
Additionally, monitoring for application crashes related to registration key input and applying any available patches or updates from the vendor once released is recommended.