Resource exhaustion in Microchip Bm64
CVE-2022-46399
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) is unresponsive with ConReqTimeoutZero.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.007 (50.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microchip Bm64
- Microchip Bm64_firmware — versions 1.43
- Microchip Bm70
- Microchip Bm70_firmware — versions 1.43
- Microchip Bm71
- Microchip Bm71_firmware — versions 1.43
- Microchip Bm77
- Microchip Bm77_firmware — versions 1.43
- Microchip Bm78
- Microchip Bm78_firmware — versions 1.43
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Technical Description, Exploit, Third Party Advisory)
- cve@mitre.org (Product)
- cve@mitre.org (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-46399?
- CVE-2022-46399 is a high-severity vulnerability in Microchip Bm64, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-12-19.
- How severe is CVE-2022-46399?
- High severity. CVSS v3 base score is 7.5 out of 10.