CVE detail
CVE-2021-27562 — Arm Trusted Firmware Out-of-Bounds Write Vulnerability
Published 2021-11-03 · Modified 2021-11-03 · Source kev
HIGH
severity
CVSS-derived band
0.0309
EPSS probability
exploitation probability, 30d
86.0%
EPSS percentile
percentile vs all CVEs
LISTED
CISA KEV
due 2021-11-17
⚠ Actively exploited in the wild — CISA KEV listed 2021-11-03, federal remediation due 2021-11-17.
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.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References