CVE-2021-38451

The affected product’s proprietary protocol CSC allows for calling numerous function codes. In order to call those function codes, the user must supply parameters. There is no sanitation on the value of the offset, which allows the client to specify any offset and read out-of-bounds data.

• CWE-125

• https://us-cert.cisa.gov/ics/advisories/icsa-21-292-01Patch, Third Party Advisory, US Government Resource
• https://us-cert.cisa.gov/ics/advisories/icsa-21-292-01Patch, Third Party Advisory, US Government Resource

Published

Oct 22, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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