PT-2021-21191

CVE-2021-3625

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Published

2021-10-05

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Updated

2021-10-13

Description by

CVSS 3.1
9.8
Critical
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Zephyr versions >= v2.5.0
Description A buffer overflow issue exists in the Zephyr USB DFU DNLOAD, specifically a Heap-based Buffer Overflow (CWE-122).
Recommendations For Zephyr versions >= v2.5.0, consider disabling the USB DFU DNLOAD functionality until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Researchers
Vendors
Affected products
Weakness enumeration
CWE-122: Heap-based Buffer Overflow
CWE-787: Out-of-bounds Write
Related identifiers
CVE-2021-3625
GHSA-C3GR-HGVR-F363
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