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CVE-2021-31227 PUBLISHED CVSS 7.5 HIGH

An issue was discovered in HCC embedded InterNiche 4.0.1. A potential heap buffer overflow exists in the code that parses the HTTP POST request, due to an incorrect signed integer comparison. This vulnerability requires the attacker to send a malformed HTTP packet with a negative Content-Length, which bypasses the size checks and results in a large heap overflow in the wbs_multidata buffer copy.

EPSS 0.22% · 44.2th percentile

Risk Scores

CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.22%
44.2th percentile

Affected Products

VendorProductVersions
n/an/an/a
hcc-embeddednichestack0

Timeline

References

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