Read the docs
TI-2021-09019 Aliases CVE-2021-27562GHSA-3352-gx8m-f7v5

In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an…

Priority HIGH 82Exploited in the wildCWE-787Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an overwrite of secure data, or the printing out of secure data when calling secure functions under the NSPE handler mode.

Why it matters now

Exploitation Active In CISA KEV since 2021-11-03CISA due date 2021-11-17
EPSS 0.0306 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

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

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:trustedfirmware:trusted_firmware-m:*:*:*:*:*:*:*:*up to 1.2.0VulnerableOP-TEE
  • cpe:2.3:o:trustedfirmware:trusted_firmware-m:*:*:*:*:*:*:*:* Versions up to 1.2.0 Vulnerable ·OP-TEE

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2021-11-03 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2021-27562
  3. 2026-10-03 Alias added: GHSA-3352-gx8m-f7v5

References

  • TI-2022-17875 The Arm Mali GPU kernel driver allows unprivileged users to access freed memory because… KEVCVSS 3.1HIGH 8.8
  • TI-2021-10068 . KEVCVSS 3.1HIGH 8.8
  • TI-2021-09732 The Arm Mali GPU kernel driver allows privilege escalation or a denial of service (memory… KEVCVSS 3.1HIGH 8.8
  • TI-2021-09731 The Arm Mali GPU kernel driver allows privilege escalation or information disclosure… KEVCVSS 3.1HIGH 8.8
  • TI-2024-04292 Mali GPU Kernel Driver allows improper GPU memory processing operations KEVCVSS 3.1HIGH 7.8
  • TI-2022-06958 Arm Mali GPU Kernel Driver allows a non-privileged user to achieve write access to… KEVCVSS 3.1HIGH 7.8
See all 174 →

Sources