CVE-2021-30116 Ransomware

CISA description

Kaseya Virtual System/Server Administrator (VSA) contains an information disclosure vulnerability allowing an attacker to obtain the sessionId that can be used to execute further attacks against the system.

Required action

Apply updates per vendor instructions.

Notes & references

• https://nvd.nist.gov/vuln/detail/CVE-2021-30116

Where this lands in 800-53

Vulnerability data triggers these controls during assessment and continuous monitoring.

• RA-5 · Vulnerability Monitoring and Scanning
• SI-2 · Flaw Remediation
• CM-6 · Configuration Settings
• SI-7 · Software, Firmware, and Information Integrity
• CM-8 · System Component Inventory

External lookups

• NVD · CVE-2021-30116
• CVE.org · CVE-2021-30116
• CISA KEV catalog (canonical)