Microsoft Exchange Server 2016 Cumulative Update 20

productDE

cpe:/a:microsoft:exchange_server_2016:cumulative_update_20

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

0
critical
by severity
0critical3high4medium0low
updated 2026-10-27
01

vulnerabilities (7)

Related CVEs.

IDseverity exploitable
CVE-2021-34473UShigh10.0OT criticalKEV
CVE-2021-34523UShigh7.5OT criticalKEV
CVE-2021-33766USmedium5.0OT criticalKEV
CVE-2021-31196USmedium6.5OT criticalKEV
CVE-2021-34470USmedium5.2Exploit
CVE-2021-31206UShigh7.9—
CVE-2021-33768USmedium5.2—
02

weaknesses (5)

The flaw types (CWEs) most of these CVEs share.

  • CWE-94Improper Control of Generation of Code ('Code Injection')3 CVEs
  • CWE-264CWE-2642 CVEs
  • CWE-269Improper Privilege Management2 CVEs
  • CWE-287Improper Authentication1 CVEs
  • CWE-918Server-Side Request Forgery (SSRF)1 CVEs
03

sources (1)

Which sources assert this record, and when.

scry

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