CISA KEVRansomware Use Known

CVE-2021-30116

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

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.

VendorKaseya

ProductVirtual System/Server Administrator (VSA)

EPSS85.7%

Added to KEVNov 03, 2021

Remediation DueNov 17, 2021

Known Ransomware UseYes

CWECWE-522

Required Action

Apply updates per vendor instructions.

From Disclosure to Action

Know how quickly you need to move.

For CVE-2021-30116, added to the catalogue on Nov 03, 2021 with a remediation deadline of Nov 17, 2021.

Added to KEVNov 03, 2021

Seraph AlertSame day

Remediation DueNov 17, 2021

ValidationOngoing

Overdue1806 days overdue

Recommended action: Apply vendor remediation guidance.

Seraph Context

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Exploitation Context

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References

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

More from Kaseya in the KEV catalogue.

CVE-2017-18362Virtual System/Server Administrator (VSA)Added May 24, 2022 CVE-2018-20753Virtual System/Server Administrator (VSA)Added Apr 13, 2022

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