All vulnerabilities
CVE-2021-30116

Kaseya Virtual System/Server Administrator (VSA) Information Disclosure Vulnerability

Kaseya Virtual System/Server Administrator (VSA)
Open in ThreatlineRecord JSON
CVSS
10.0Critical
ExploitationExploited in the wildAdded to KEV 3 Nov 2021. Known ransomware useCISA KEV
Exploit odds (EPSS)85.7%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Federal deadline17 Nov 2021Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version.

Timeline

  1. 9 Jul 2021, 00:00 UTCPublishedCVE List
  2. 3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Scanner templateKaseya VSA < 9.5.7 - Credential Disclosure via Windows AgentNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

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.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 6