ACTIVELY EXPLOITED
CVE-2021-27562: Arm Trusted Firmware Out-of-Bounds Write Vulnerability
| Vendor | Arm |
|---|---|
| Product | Trusted Firmware |
| Actively exploited | Yes |
| Added to CISA KEV | 3 Nov 2021 |
| CISA federal deadline | 17 Nov 2021 |
| Weakness (CWE) | CWE-787 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
Arm Trusted Firmware contains an out-of-bounds write vulnerability allowing the non-secure (NS) world to trigger a system halt, overwrite secure data, or print out secure data when calling secure functions under the non-secure processing environment (NSPE) handler mode. This vulnerability affects Yealink Device Management servers.
SOURCES
Other Arm flaws
- CVE-2024-4610: Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
- CVE-2023-4211: Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
- CVE-2021-29256: Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
- CVE-2023-26083: Arm Mali GPU Kernel Driver Information Disclosure Vulnerability
- CVE-2022-38181: Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.