April 23, 2025
Proactive Defense: The Importance of Incident Response Planning in Cybersecurity
Rewterz Threat Alert – FormBook Malware – Active IOCs
July 26, 2021Rewterz Threat Advisory –CVE-2021-20337 – IBM QRadar SIEM Vulnerability
July 27, 2021Rewterz Threat Alert – FormBook Malware – Active IOCs
July 26, 2021Rewterz Threat Advisory –CVE-2021-20337 – IBM QRadar SIEM Vulnerability
July 27, 2021
Severity
High
Analysis Summary
CVE-2021-30807
Apple macOS Big Sur could allow a local attacker to gain elevated privileges on the system, caused by a memory corruption issue in the IOMobileFrameBuffer component. By using a specially crafted application, an attacker could exploit this vulnerability to execute arbitrary code with kernel privileges.
Impact
- Unauthorized access
- Privilege escalation
Affected Vendors
Apple
Affected Products
- Apple iOS 14.6
- Apple iPadOS 14.6
- Apple macOS Big Sur 11.5.0
Remediation
Refer to for patch, upgrade, or suggested workaround information.
