Vulnerability in Microchip Miwi
CVE-2021-37605
In version 6.5 Microchip MiWi software and all previous versions including legacy products, the stack is validating only two out of four Message Integrity Check (MIC) bytes.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.013 (68.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Microchip Miwi — versions 6.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.microchip.com/product-change-notifications/ (Vendor Advisory)
- www.microchip.com/en-us/products/wireless-connectivity/sub-ghz/miwi-protocol (Vendor Advisory)
- ww1.microchip.com/downloads/en/DeviceDoc/asf-release-notes-3.50.0.100-readme.pdf (Vendor Advisory)
- www.microchip.com/en-us/development-tools-tools-and-software/libraries-code-exa… (Vendor Advisory)
- ww1.microchip.com/downloads/en/DeviceDoc/asf-release-notes-3.51.0.101-readme.pdf (Release Notes, Vendor Advisory)
- www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-r… (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-37605?
- CVE-2021-37605 is a high-severity vulnerability in Microchip Miwi, classified under Always-Incorrect Control Flow Implementation. CVSS score: 7.5/10. Published 2021-08-05.
- How severe is CVE-2021-37605?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-37605 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.