What’s Vulnerable › Vulnerabilities

CVE-2020-12789

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-09-14 · updated 2026-06-17
Weakness: CWE-798

Description

The Secure Monitor in Microchip Atmel ATSAMA5 products use a hardcoded key to encrypt and authenticate secure applets.

Affected products

Microchip Atsama5D21C-Cu Firmware: all versions
Microchip Atsama5D21C-Cur Firmware: all versions
Microchip Atsama5D225C-D1M-Cur Firmware: all versions
Microchip Atsama5D22C-Cn Firmware: all versions
Microchip Atsama5D22C-Cnr Firmware: all versions
Microchip Atsama5D22C-Cu Firmware: all versions
Microchip Atsama5D22C-Cur Firmware: all versions
Microchip Atsama5D23C-Cn Firmware: all versions
Microchip Atsama5D23C-Cnr Firmware: all versions
Microchip Atsama5D23C-Cu Firmware: all versions
Microchip Atsama5D23C-Cur Firmware: all versions
Microchip Atsama5D24C-Cu Firmware: all versions
Microchip Atsama5D24C-Cuf Firmware: all versions
Microchip Atsama5D24C-Cur Firmware: all versions
Microchip Atsama5D26C-Cn Firmware: all versions
Microchip Atsama5D26C-Cnr Firmware: all versions
Microchip Atsama5D26C-Cu Firmware: all versions
Microchip Atsama5D26C-Cur Firmware: all versions
Microchip Atsama5D27-Som1 Firmware: all versions
Microchip Atsama5D27-Wlsom1 Firmware: all versions
Microchip Atsama5D27C-Cn Firmware: all versions
Microchip Atsama5D27C-Cnr Firmware: all versions
Microchip Atsama5D27C-Cnrvao Firmware: all versions
Microchip Atsama5D27C-Cnvao Firmware: all versions
Microchip Atsama5D27C-Cu Firmware: all versions
Microchip Atsama5D27C-Cur Firmware: all versions
Microchip Atsama5D27C-D1G-Cu Firmware: all versions
Microchip Atsama5D27C-D1G-Cur Firmware: all versions
Microchip Atsama5D27C-D5M-Cu Firmware: all versions
Microchip Atsama5D27C-D5M-Cur Firmware: all versions

References

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