Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since November 3, 2021.
CVE-2020-0688
Microsoft Exchange Server Validation Key Remote Code Execution Vulnerability
Added to KEV November 3, 2021
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2020-0688
- CWE
- CWE-287
- Affected products
- Exchange Server · Microsoft Exchange Server · Microsoft
What happened
Microsoft Exchange Server Validation Key fails to properly create unique keys at install time, allowing for remote code execution.
What it means for your business
Microsoft Exchange Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2020-0688). Microsoft Exchange Server Validation Key fails to properly create unique keys at install time, allowing for remote code execution. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.
Required action
Apply updates per vendor instructions.
CISA due date: May 3, 2022
Sources
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