CVE-2021-3433 — MEDIUM (4.0)

Vulnerability Description

Invalid channel map in CONNECT_IND results to Deadlock. Zephyr versions >= v2.5.0 Improper Check or Handling of Exceptional Conditions (CWE-703). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3c2f-w4v6-qxrp

CVSS Score

4.0

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Zephyrproject	Zephyr	>= 2.5.0, < 2.6.0

Related Weaknesses (CWE)

CWE-703

References

http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3c2f-w4v6-qVendor Advisory
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3c2f-w4v6-qVendor Advisory

FAQ

What is CVE-2021-3433?

CVE-2021-3433 is a vulnerability with a CVSS score of 4.0 (MEDIUM). Invalid channel map in CONNECT_IND results to Deadlock. Zephyr versions >= v2.5.0 Improper Check or Handling of Exceptional Conditions (CWE-703). For more information, see https://github.com/zephyrpro...

How severe is CVE-2021-3433?

CVE-2021-3433 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3433?

Check the references section above for vendor advisories and patch information. Affected products include: Zephyrproject Zephyr.