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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2021-11-03 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2021-27562
- 2026-10-03 Alias added: GHSA-3352-gx8m-f7v5
References
More Arm vulnerabilities
- 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
Sources
- CVE-2021-27562 · CVE Program
- CVE-2021-27562 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-3352-gx8m-f7v5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences