CVE-2020-17144: Microsoft Exchange Server
EPSS36.5%No. 959 of 1739 in KEV
CVE year2020~1 yrs before listing
Same vendor in KEV389
Same product17
| Field | Value |
|---|---|
| Vendor | Microsoft |
| Product | Exchange Server |
| Name | Microsoft Exchange Server Remote Code Execution Vulnerability |
| Added to KEV | 2021-11-03 |
| US federal due date | 2022-05-03 |
| Ransomware use | Unknown |
| CWE | CWE-502 |
CISA description
Microsoft Exchange Server improperly validates cmdlet arguments which allow an attacker to perform remote code execution.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2023-21529 | Microsoft Exchange Server | 2026-04-13 | 59.2% | Known |
| CVE-2021-31196 | Microsoft Exchange Server | 2024-08-21 | 54.0% | Unknown |
| CVE-2024-21410 | Microsoft Exchange Server | 2024-02-15 | 12.5% | Unknown |
| CVE-2022-41080 | Microsoft Exchange Server | 2023-01-10 | 77.3% | Known |
| CVE-2022-41082 | Microsoft Exchange Server | 2022-09-30 | 99.9% | Known |
| CVE-2022-41040 | Microsoft Exchange Server | 2022-09-30 | 99.9% | Known |
| CVE-2018-8581 | Microsoft Exchange Server | 2022-03-03 | 27.3% | Known |
| CVE-2021-33766 | Microsoft Exchange Server | 2022-01-18 | 98.1% | Unknown |
| CVE-2021-34523 | Microsoft Exchange Server | 2021-11-03 | 99.9% | Known |
| CVE-2021-34473 | Microsoft Exchange Server | 2021-11-03 | 99.9% | Known |
| CVE-2021-31207 | Microsoft Exchange Server | 2021-11-03 | 99.7% | Known |
| CVE-2021-27065 | Microsoft Exchange Server | 2021-11-03 | 99.8% | Known |
| CVE-2021-26858 | Microsoft Exchange Server | 2021-11-03 | 93.6% | Known |
| CVE-2021-26857 | Microsoft Exchange Server | 2021-11-03 | 95.7% | Known |
| CVE-2021-26855 | Microsoft Exchange Server | 2021-11-03 | 99.9% | Known |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A Microsoft Exchange Server vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2021-11-03.