Microsoft Exchange Server 2013 Cumulative Update 23

productDE

cpe:/a:microsoft:exchange_server_2013::cumulative_update_23

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

critical

by severity

0critical3high4medium0low

updated 2026-10-27

vulnerabilities (20)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-34473US	high10.0OT critical	100.0% (100th)	KEV	no fix	2021-07-14	—
CVE-2021-34523US	high7.5OT critical	100.0% (100th)	KEV	no fix	2021-07-14	—
CVE-2021-33766US	medium5.0OT critical	98.2% (100th)	KEV	no fix	2021-07-14	—
CVE-2022-41080US	—OT critical	77.3% (100th)	KEV	no fix	2022-11-09	—
CVE-2023-21529US	—OT critical	59.3% (99th)	KEV	no fix	2023-02-14	—
CVE-2021-31196US	medium6.5OT critical	54.1% (99th)	KEV	no fix	2021-07-14	—
CVE-2023-21707US	—	82.0% (100th)	Exploit	no fix	2023-02-14	—
CVE-2021-34470US	medium5.2	4.38% (91st)	Exploit	no fix	2021-07-14	—
CVE-2021-31206US	high7.9	13.0% (96th)	—	no fix	2021-07-14	—
CVE-2023-21710US	—	7.87% (95th)	—	no fix	2023-02-14	—
CVE-2023-21706US	—	4.06% (91st)	—	no fix	2023-02-14	—
CVE-2023-21761US	—	1.64% (76th)	—	no fix	2023-01-10	—
CVE-2023-21762US	—	1.59% (76th)	—	no fix	2023-01-10	—
CVE-2023-21745US	—	1.54% (75th)	—	no fix	2023-01-10	—
CVE-2021-33768US	medium5.2	1.23% (69th)	—	no fix	2021-07-14	—
CVE-2022-41079US	—	0.84% (58th)	—	no fix	2022-11-09	—
CVE-2022-41078US	—	0.84% (58th)	—	no fix	2022-11-09	—
CVE-2023-21763US	—	0.61% (49th)	—	no fix	2023-01-10	—
CVE-2022-41123US	—	0.61% (49th)	—	no fix	2022-11-09	—
CVE-2023-21764US	—	0.58% (48th)	—	no fix	2023-01-10	—

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

Which sources assert this record, and when.

scry

Products carry known vulnerabilities once they are exposed to the internet. See what is exposed on your perimeter with a free passive scan.