How severe is CVE-2020-35684?

This vulnerability has a severity rating of HIGH with a CVSS score of 7.5 out of 10.

What type of vulnerability is CVE-2020-35684?

This is classified as CWE-20, which is a common weakness in software security.

CVE-2020-35684

HIGH Year: 2020

CVSS v3 Score

7.5

High

CVSS v2 Score

5.0

Medium

Weakness Type

CWE-20

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Vulnerability Description

An issue was discovered in HCC Nichestack 3.0. The code that parses TCP packets relies on an unchecked value of the IP payload size (extracted from the IP header) to compute the length of the TCP payload within the TCP checksum computation function. When the IP payload size is set to be smaller than the size of the IP header, the TCP checksum computation function may read out of bounds (a low-impact write-out-of-bounds is also possible).

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