synced 12 MIN AGO
01 Record

CVE-2020-12788

CMAC verification functionality in Microchip Atmel ATSAMA5 products is vulnerable to vulnerable to timing and power analysis attacks.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

CMAC verification functionality in Microchip Atmel ATSAMA5 products is vulnerable to vulnerable to timing and power analysis attacks.

03 Exploitation and scoring

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
1.33% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 70.9% 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:H/I:N/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.

04 Metadata

Published
2020-09-14 13:24Z6 YR AGO
Last updated
2024-08-04 12:04Z2 YR AGO
Reserved
2020-05-11
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
583e5d2c8b1e1bae0bb63a581cacc7713df18a5dcd39922528e3cc086aefeeb5

05 Affected products

VendorProductVersionsPlatforms
microchipatsama5d21c-cuNot specified—
microchipatsama5d21c-cu_firmwareNot specified—
microchipatsama5d21c-curNot specified—
microchipatsama5d21c-cur_firmwareNot specified—
microchipatsama5d225c-d1m-curNot specified—
microchipatsama5d225c-d1m-cur_firmwareNot specified—
microchipatsama5d22c-cnNot specified—
microchipatsama5d22c-cn_firmwareNot specified—
microchipatsama5d22c-cnrNot specified—
microchipatsama5d22c-cnr_firmwareNot specified—
microchipatsama5d22c-cuNot specified—
microchipatsama5d22c-cu_firmwareNot specified—
microchipatsama5d22c-curNot specified—
microchipatsama5d22c-cur_firmwareNot specified—
microchipatsama5d23c-cnNot specified—
microchipatsama5d23c-cn_firmwareNot specified—
microchipatsama5d23c-cnrNot specified—
microchipatsama5d23c-cnr_firmwareNot specified—
microchipatsama5d23c-cuNot specified—
microchipatsama5d23c-cu_firmwareNot specified—
microchipatsama5d23c-curNot specified—
microchipatsama5d23c-cur_firmwareNot specified—
microchipatsama5d24c-cuNot specified—
microchipatsama5d24c-cu_firmwareNot specified—
microchipatsama5d24c-cufNot specified—
microchipatsama5d24c-cuf_firmwareNot specified—
microchipatsama5d24c-curNot specified—
microchipatsama5d24c-cur_firmwareNot specified—
microchipatsama5d26c-cnNot specified—
microchipatsama5d26c-cn_firmwareNot specified—
microchipatsama5d26c-cnrNot specified—
microchipatsama5d26c-cnr_firmwareNot specified—
microchipatsama5d26c-cuNot specified—
microchipatsama5d26c-cu_firmwareNot specified—
microchipatsama5d26c-curNot specified—
microchipatsama5d26c-cur_firmwareNot specified—
microchipatsama5d27-som1Not specified—
microchipatsama5d27-som1_firmwareNot specified—
microchipatsama5d27-wlsom1Not specified—
microchipatsama5d27-wlsom1_firmwareNot specified—
microchipatsama5d27c-cnNot specified—
microchipatsama5d27c-cn_firmwareNot specified—
microchipatsama5d27c-cnrNot specified—
microchipatsama5d27c-cnr_firmwareNot specified—
microchipatsama5d27c-cnrvaoNot specified—
microchipatsama5d27c-cnrvao_firmwareNot specified—
microchipatsama5d27c-cnvaoNot specified—
microchipatsama5d27c-cnvao_firmwareNot specified—
microchipatsama5d27c-cuNot specified—
microchipatsama5d27c-cu_firmwareNot specified—
microchipatsama5d27c-curNot specified—
microchipatsama5d27c-cur_firmwareNot specified—
microchipatsama5d27c-d1g-cuNot specified—
microchipatsama5d27c-d1g-cu_firmwareNot specified—
microchipatsama5d27c-d1g-curNot specified—
microchipatsama5d27c-d1g-cur_firmwareNot specified—
microchipatsama5d27c-d5m-cuNot specified—
microchipatsama5d27c-d5m-cu_firmwareNot specified—
microchipatsama5d27c-d5m-curNot specified—
microchipatsama5d27c-d5m-cur_firmwareNot specified—

92 further entries not shown. The complete list is in the raw JSON document.

06 References