CVE-2021-27562 — Actively Exploited: Trusted Firmware (Arm)
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 Managem
| CVE ID | CVE-2021-27562 |
|---|---|
| Vendor | Arm |
| Product | Trusted Firmware |
| Vulnerability name | Arm Trusted Firmware Out-of-Bounds Write Vulnerability |
| Date added | 2021-11-03 |
| Remediation due | 2021-11-17 |
| Known ransomware use | Unknown |
| Required action | Apply updates per vendor instructions. |
| Description | 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. |
| Source | CISA Known Exploited Vulnerabilities |
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