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TI-2021-14211 Aliases CVE-2021-35465GHSA-2g78-x942-h8vj

Certain Arm products before 2021-08-23 do not properly consider the effect of exceptions…

Priority LOW 16Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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 affects Arm Cortex-M33 r0p0 through r1p0, Arm Cortex-M35P r0, Arm Cortex-M55 r0p0 through r1p0, and Arm China STAR-MC1 (in the STAR SE configuration).

Why it matters now

EPSS 0.00298 22nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:o:arm:cortex-m33_firmware:*:*:*:*:*:*:*:*r0p0 – r1p0VulnerableArm
cpe:2.3:h:arm:cortex-m33:-:*:*:*:*:*:*:*not specified by NVDRunning onArm
cpe:2.3:o:arm:cortex-m35p_firmware:r0:*:*:*:*:*:*:*r0VulnerableArm
cpe:2.3:h:arm:cortex-m35p:-:*:*:*:*:*:*:*not specified by NVDRunning onArm
cpe:2.3:o:arm:cortex-m55_firmware:*:*:*:*:*:*:*:*r0p0 – r1p0VulnerableArm
cpe:2.3:h:arm:cortex-m55:-:*:*:*:*:*:*:*not specified by NVDRunning onArm
cpe:2.3:o:arm:china_star-mc1_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableArm
cpe:2.3:h:arm:china_star-mc1:-:*:*:*:*:*:*:*not specified by NVDRunning onArm
  • cpe:2.3:o:arm:cortex-m33_firmware:*:*:*:*:*:*:*:* Versions r0p0 – r1p0 Vulnerable ·Arm
  • cpe:2.3:h:arm:cortex-m33:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arm
  • cpe:2.3:o:arm:cortex-m35p_firmware:r0:*:*:*:*:*:*:* Versions r0 Vulnerable ·Arm
  • cpe:2.3:h:arm:cortex-m35p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arm
  • cpe:2.3:o:arm:cortex-m55_firmware:*:*:*:*:*:*:*:* Versions r0p0 – r1p0 Vulnerable ·Arm
  • cpe:2.3:h:arm:cortex-m55:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arm
  • cpe:2.3:o:arm:china_star-mc1_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Arm
  • cpe:2.3:h:arm:china_star-mc1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arm

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-35465
  2. 2026-10-03 Alias added: GHSA-2g78-x942-h8vj

References

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences