CVE-2021-37604 affects Microchip MiWi software versions 6.5 and earlier, where frame counters are validated before message authentication. An attacker can exploit this by injecting messages with high frame counter values and invalid payloads, leading to a denial of service for legitimate network traffic and potential replay attacks. This vulnerability has a CVSS score of 7.5 (High), indicating a network-based attack with low complexity and high impact on integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6.5CPE matchmatch criteria | cpe:2.3:a:microchip:miwi:6.5:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.