CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Nov 17, 2021
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.
EPSS — Exploit Probability
47.9%
Higher than 97.7% of all CVEs
Required Action
https://nvd.nist.gov/vuln/detail/CVE-2021-27562
Risk Assessment
ELEVATEDIn CISA KEV
Details
- Severity
- High
- EPSS
- 47.9%
- CISA KEV
- Yes
- Ransomware
- Unknown
- Articles
- 0
Timeline
Published
Nov 3, 2021
Added to KEV
Nov 3, 2021
Remediation Due
Nov 17, 2021