SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-3581

Buffer Access with Incorrect Length Value in zephyr.

HIGH 8.8EPSS 0.35%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.35% probability · 28th percentile
CISA KEV
Not listed
Weakness
CWE-805, CWE-1284
Affected
zephyrproject/zephyr
Source
vulnerabilities@zephyrproject.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.