CVE-2020-15479

An issue was discovered in PassMark BurnInTest through 9.1, OSForensics through 7.1, and PerformanceTest through 10. The driver's IOCTL request handler attempts to copy the input buffer onto the stack without checking its size and can cause a buffer overflow. This could lead to arbitrary Ring-0 code execution and escalation of privileges. This affects DirectIo32.sys and DirectIo64.sys.

• CWE-120

• https://github.com/eset/vulnerability-disclosuresThird Party Advisory
• https://github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-15479/CVE-2020-15479.mdExploit, Third Party Advisory
• https://www.passmark.com/forum/index.phpVendor Advisory
• https://www.passmark.com/support/index.phpVendor Advisory
• https://github.com/eset/vulnerability-disclosuresThird Party Advisory
• https://github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-15479/CVE-2020-15479.mdExploit, Third Party Advisory
• https://www.passmark.com/forum/index.phpVendor Advisory
• https://www.passmark.com/support/index.phpVendor Advisory

Published

Aug 7, 2020

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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