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01 Record

CVE-2021-29414

STMicroelectronics STM32L4 devices through 2021-03-29 have incorrect physical access control.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

STMicroelectronics STM32L4 devices through 2021-03-29 have incorrect physical access control.

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
0.33% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 26.8% of scored records. A rank, not a probability.
NVD base score
6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
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
2021-05-21 11:38Z5 YR AGO
Last updated
2024-08-03 22:02Z2 YR AGO
Reserved
2021-03-29
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
Data version
5.1
Document digest
ccd45df2961711e194ba643025276361fac8e084b89840dadb42a3e60883deef

05 Affected products

VendorProductVersionsPlatforms
ststm32cubel4_firmwareNot specified—
ststm32l412c8Not specified—
ststm32l412cbNot specified—
ststm32l412k8Not specified—
ststm32l412kbNot specified—
ststm32l412r8Not specified—
ststm32l412rbNot specified—
ststm32l412t8Not specified—
ststm32l412tbNot specified—
ststm32l422cbNot specified—
ststm32l422kbNot specified—
ststm32l422rbNot specified—
ststm32l422tbNot specified—
ststm32l431cbNot specified—
ststm32l431ccNot specified—
ststm32l431kbNot specified—
ststm32l431kcNot specified—
ststm32l431rbNot specified—
ststm32l431rcNot specified—
ststm32l431vcNot specified—
ststm32l432kbNot specified—
ststm32l432kcNot specified—
ststm32l433cbNot specified—
ststm32l433ccNot specified—
ststm32l433rbNot specified—
ststm32l433rcNot specified—
ststm32l433vcNot specified—
ststm32l442kcNot specified—
ststm32l443ccNot specified—
ststm32l443rcNot specified—
ststm32l443vcNot specified—
ststm32l451ccNot specified—
ststm32l451ceNot specified—
ststm32l451rcNot specified—
ststm32l451reNot specified—
ststm32l451vcNot specified—
ststm32l451veNot specified—
ststm32l452ccNot specified—
ststm32l452ceNot specified—
ststm32l452rcNot specified—
ststm32l452reNot specified—
ststm32l452vcNot specified—
ststm32l452veNot specified—
ststm32l462ceNot specified—
ststm32l462reNot specified—
ststm32l462veNot specified—
ststm32l471qeNot specified—
ststm32l471qgNot specified—
ststm32l471reNot specified—
ststm32l471rgNot specified—
ststm32l471veNot specified—
ststm32l471vgNot specified—
ststm32l471zeNot specified—
ststm32l471zgNot specified—
ststm32l475rcNot specified—
ststm32l475reNot specified—
ststm32l475rgNot specified—
ststm32l475vcNot specified—
ststm32l475veNot specified—
ststm32l475vgNot specified—

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

06 References