CVE-2021-27562

Arm Trusted Firmware Out-of-Bounds Write Vulnerability — Arm / Trusted Firmware

Risk tier: Monitored

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.

NVD enrichment (full description, CVSS vector, CWEs) has not completed for this CVE yet — shown above is the CISA KEV short description only.

Scoring

  • CVSS: Not yet available
  • EPSS exploitation probability: Not yet available
  • EPSS percentile: Not yet available

CISA KEV status

  • Added to KEV: 2021-11-03
  • Remediation due date: 2021-11-17
  • Known ransomware campaign use: Unknown

All exploited vulnerabilities