netVigilance Vulnerability intelligence since 2004
CVE-2021-30116 · netVigilance record NV21-0234

Kaseya Virtual System/Server Administrator (VSA) Information Disclosure

past due ransomware

What to do

Apply updates per vendor instructions.

CISA deadline 2021-11-17 · passed 4 years 9 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

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.

Who is affected

Kaseya Virtual System/Server Administrator (VSA). Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-522.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 4 years 9 months ago

Sources