Microsoft Microsoft Exchange Server 2013 Cumulative Update 23

productEU

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

0
unpatched
by severity
1critical13high22medium1low
updated 2026-10-27
01

vulnerabilities (51)

Related CVEs.

IDseverity exploitable
CVE-2021-34473UShigh10.0OT criticalKEV
CVE-2021-26855UShigh7.5OT criticalKEV
CVE-2021-34523UShigh7.5OT criticalKEV
CVE-2022-41082US—OT criticalKEV
CVE-2022-41040US—OT criticalKEV
CVE-2021-27065USmedium6.8OT criticalKEV
CVE-2021-31207USmedium6.5OT criticalKEV
CVE-2021-33766USmedium5.0OT criticalKEV
CVE-2021-26857USmedium6.8OT criticalKEV
CVE-2022-41080US—OT criticalKEV
CVE-2021-26858USmedium6.8OT criticalKEV
CVE-2023-21529US—OT criticalKEV
CVE-2021-31196USmedium6.5OT criticalKEV
CVE-2021-41349USmedium4.3Exploit
CVE-2020-17132USmedium6.5Exploit
CVE-2021-28482UShigh9.0Exploit
CVE-2023-21707US—Exploit
CVE-2021-28480UShigh10.0Exploit
CVE-2022-23277USmedium6.5Exploit
CVE-2021-34470USmedium5.2Exploit
CVE-2021-31195USmedium6.8—
CVE-2020-17143USmedium6.5—
CVE-2020-17117UShigh9.0—
CVE-2021-28481UShigh10.0—
CVE-2021-26412USmedium6.5—
CVE-2021-26854USmedium6.5—
CVE-2021-27078USmedium6.5—
CVE-2021-31206UShigh7.9—
CVE-2020-17083USlow3.5—
CVE-2021-42305USmedium4.3—
CVE-2021-31198USmedium6.8—
CVE-2023-21706US——
CVE-2020-17084UShigh9.0—
CVE-2020-17085USmedium4.0—
CVE-2020-17142USmedium6.5—
CVE-2022-21980US——
CVE-2020-16969USmedium4.3—
CVE-2021-31209USmedium5.8—
CVE-2022-24516US——
CVE-2022-24477US——
CVE-2022-21979US——
CVE-2022-30134US——
CVE-2023-21762US——
CVE-2021-28483UShigh7.7—
CVE-2022-21969UScritical9.0—
CVE-2022-21846UShigh8.3—
CVE-2022-21855UShigh7.7—
CVE-2021-26427USmedium5.8—
CVE-2022-21978UShigh7.2—
CVE-2022-41079US——
showing 50 of 51
02

weaknesses (8)

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

  • CWE-94Improper Control of Generation of Code ('Code Injection')17 CVEs
  • CWE-20Improper Input Validation9 CVEs
  • CWE-264CWE-2647 CVEs
  • CWE-502Deserialization of Untrusted Data6 CVEs
  • CWE-451User Interface (UI) Misrepresentation of Critical Information5 CVEs
  • CWE-200Exposure of Sensitive Information to an Unauthorized Actor3 CVEs
  • CWE-918Server-Side Request Forgery (SSRF)3 CVEs
  • CWE-290Authentication Bypass by Spoofing2 CVEs
03

sources (1)

Which sources assert this record, and when.

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