CISA KEVRansomware Use Known

CVE-2020-0688

Microsoft Exchange Server Validation Key Remote Code Execution Vulnerability

Microsoft Exchange Server Validation Key fails to properly create unique keys at install time, allowing for remote code execution.

VendorMicrosoft

ProductExchange Server

EPSS100.0%

Added to KEVNov 03, 2021

Remediation DueMay 03, 2022

Known Ransomware UseYes

CWECWE-287

Required Action

Apply updates per vendor instructions.

From Disclosure to Action

Know how quickly you need to move.

For CVE-2020-0688, added to the catalogue on Nov 03, 2021 with a remediation deadline of May 03, 2022.

Added to KEVNov 03, 2021

Seraph AlertSame day

Remediation DueMay 03, 2022

ValidationOngoing

Overdue1639 days overdue

Recommended action: Apply vendor remediation guidance.

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