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01 Record

CVE-2021-35465

Certain Arm products before 2021-08-23 do not properly consider the effect of exceptions on a VLLDM instruction. A Non-secure handler may have read or write access to part of a Secure context. This

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

Certain Arm products before 2021-08-23 do not properly consider the effect of exceptions on a VLLDM instruction. A Non-secure handler may have read or write access to part of a Secure context. This

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
0.29% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 22.2% of scored records. A rank, not a probability.
NVD base score
3.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/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
2021-08-23 12:44Z5 YR AGO
Last updated
2024-08-04 00:40Z2 YR AGO
Reserved
2021-06-23
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
e471311ff3070a8f853cdf913082c412a5d34be39ad6deee35cccbf602fc118a

05 Affected products

VendorProductVersionsPlatforms
armchina_star-mc1Not specified—
armchina_star-mc1_firmwareNot specified—
armcortex-m33Not specified—
armcortex-m33_firmwareNot specified—
armcortex-m35pNot specified—
armcortex-m35p_firmwareNot specified—
armcortex-m55Not specified—
armcortex-m55_firmwareNot specified—

06 References