PT-2021-21063 · Zephyr · Zephyr

Ceolin · CVE-2021-3581 · Published 2021-10-05 · Updated 2023-06-26

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Zephyr versions 2.5.0 and later

Description: The issue is related to Buffer Access with Incorrect Length Value in Zephyr, which is described as CWE-805. This problem affects Zephyr versions 2.5.0 and later.

Recommendations: For Zephyr versions 2.5.0 and later, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-1284

CWE-805

Related Identifiers

CVE-2021-3581

GHSA-8Q65-5GQF-FMW5

Affected Products

Zephyr

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-3581 · Security Note
• https://osv.dev/vulnerability/CVE-2021-3581 · Vendor Advisory
• http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8q65-5gqf-fmw5 · Vendor Advisory
• https://t.me/cvenotify/21957 · Telegram Post
• https://t.me/cibsecurity/30011 · Telegram Post