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CVE-2020-12789

HIGHCVSS 7.5/10EPSS 1.23%

Last modified

CVE-2020-12789 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The Secure Monitor in Microchip Atmel ATSAMA5 products use a hardcoded key to encrypt and authenticate secure applets.. EPSS estimates a 1.23% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
1.23%

65.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrochipAtsama5d21c-Cu FirmwareAll versions
MicrochipAtsama5d21c-Cur FirmwareAll versions
MicrochipAtsama5d22c-Cn FirmwareAll versions
MicrochipAtsama5d22c-Cnr FirmwareAll versions
MicrochipAtsama5d22c-Cu FirmwareAll versions
MicrochipAtsama5d22c-Cur FirmwareAll versions
MicrochipAtsama5d23c-Cn FirmwareAll versions
MicrochipAtsama5d23c-Cnr FirmwareAll versions
MicrochipAtsama5d23c-Cu FirmwareAll versions
MicrochipAtsama5d23c-Cur FirmwareAll versions
MicrochipAtsama5d24c-Cu FirmwareAll versions
MicrochipAtsama5d24c-Cuf FirmwareAll versions
MicrochipAtsama5d24c-Cur FirmwareAll versions
MicrochipAtsama5d26c-Cn FirmwareAll versions
MicrochipAtsama5d26c-Cnr FirmwareAll versions
MicrochipAtsama5d26c-Cu FirmwareAll versions
MicrochipAtsama5d26c-Cur FirmwareAll versions
MicrochipAtsama5d27c-Cn FirmwareAll versions
MicrochipAtsama5d27c-Cnr FirmwareAll versions
MicrochipAtsama5d27c-Cu FirmwareAll versions
MicrochipAtsama5d27c-Cur FirmwareAll versions
MicrochipAtsama5d28c-Cn FirmwareAll versions
MicrochipAtsama5d28c-Cnr FirmwareAll versions
MicrochipAtsama5d28c-Cu FirmwareAll versions
MicrochipAtsama5d28c-Cur FirmwareAll versions
MicrochipAtsama5d27c-Cnvao FirmwareAll versions
MicrochipAtsama5d27c-Cnrvao FirmwareAll versions
MicrochipAtsama5d225c-D1m-Cur FirmwareAll versions
MicrochipAtsama5d27c-D5m-Cu FirmwareAll versions
MicrochipAtsama5d27c-D5m-Cur FirmwareAll versions
MicrochipAtsama5d27c-D1g-Cu FirmwareAll versions
MicrochipAtsama5d27c-D1g-Cur FirmwareAll versions
MicrochipAtsama5d28c-D1g-Cu FirmwareAll versions
MicrochipAtsama5d28c-D1g-Cur FirmwareAll versions
MicrochipAtsama5d27c-Ld1g-Cu FirmwareAll versions
MicrochipAtsama5d27c-Ld1g-Cur FirmwareAll versions
MicrochipAtsama5d27c-Ld2g-Cu FirmwareAll versions
MicrochipAtsama5d27c-Ld2g-Cur FirmwareAll versions
MicrochipAtsama5d28c-Ld1g-Cu FirmwareAll versions
MicrochipAtsama5d28c-Ld1g-Cur FirmwareAll versions
MicrochipAtsama5d28c-Ld2g-Cu FirmwareAll versions
MicrochipAtsama5d28c-Ld2g-Cur FirmwareAll versions
MicrochipAtsama5d27-Wlsom1 FirmwareAll versions
MicrochipAtsama5d27-Som1 FirmwareAll versions
MicrochipAtsama5d31a-Cu FirmwareAll versions
MicrochipAtsama5d31a-Cur FirmwareAll versions
MicrochipAtsama5d31a-Cfu FirmwareAll versions
MicrochipAtsama5d31a-Cfur FirmwareAll versions
MicrochipAtsama5d33a-Cu FirmwareAll versions
MicrochipAtsama5d33a-Cur FirmwareAll versions

Showing 50 of 76 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-12789?
The Secure Monitor in Microchip Atmel ATSAMA5 products use a hardcoded key to encrypt and authenticate secure applets.
How severe is CVE-2020-12789?
CVE-2020-12789 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.23% probability of exploitation in the next 30 days.
How do I fix CVE-2020-12789?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-12789?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST