Vulnerability · Published Oct 5, 2021 · Assigned by zephyr

CVE-2021-3581Buffer Access with Incorrect Length Value in zephyr

High 7.0

In plain English

A high-severity security flaw in zephyr from zephyrproject-rtos. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 29% of all known vulnerabilities).

Severity (CVSS 3.1)7.0High
Exploit odds (30 days)0.3%top 71.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Buffer Access with Incorrect Length Value in zephyr. Zephyr versions >= >=2.5.0 contain Buffer Access with Incorrect Length Value (CWE-805). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8q65-5gqf-fmw5

Affected products (as reported)

VendorProductVersions
zephyrproject-rtos zephyr >=2.5.0 – before unspecified

Weakness: CWE-805 · Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

References