CVE-2021-37604

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 66.7% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-08-05 15:43Z5 YR AGO

Last updated

2024-08-04 01:23Z2 YR AGO

Reserved

2021-07-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-670Always-Incorrect Control Flow ImplementationClass

Data version

5.1

Document digest

cf80af23e6e8306bc20884b10179aa4fb0676b30778d28fe304c0aa53b1c5d75

• www.microchip.comhttps://www.microchip.com/product-change-notifications/#/x_refsource_MISC
• www.microchip.comhttps://www.microchip.com/en-us/products/wireless-connectivity/sub-ghz/miwi-protocolx_refsource_MISC
• ww1.microchip.comhttps://ww1.microchip.com/downloads/en/DeviceDoc/asf-release-notes-3.50.0.100-readme.pdfx_refsource_MISC
• www.microchip.comhttps://www.microchip.com/en-us/development-tools-tools-and-software/libraries-code-examples-and-more/advanced-software-framework-for-sam-devices#Downloadsx_refsource_MISC
• www.microchip.comhttps://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/miwi-software-vulnerabilityx_refsource_CONFIRM