CVE-2021-26427
Microsoft Exchange Server Remote Code Execution Vulnerability
Severity Score
9.0
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Microsoft Exchange Server Remote Code Execution Vulnerability
Una vulnerabilidad de Ejecución de Código Remota en Microsoft Exchange Server
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-29 CVE Reserved
- 2021-10-13 CVE Published
- 2024-08-03 CVE Updated
- 2024-10-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26427 | 2023-08-01 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Microsoft Search vendor "Microsoft" | Exchange Server Search vendor "Microsoft" for product "Exchange Server" | 2013 Search vendor "Microsoft" for product "Exchange Server" and version "2013" | cumulative_update_23 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Exchange Server Search vendor "Microsoft" for product "Exchange Server" | 2016 Search vendor "Microsoft" for product "Exchange Server" and version "2016" | cumulative_update_21 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Exchange Server Search vendor "Microsoft" for product "Exchange Server" | 2016 Search vendor "Microsoft" for product "Exchange Server" and version "2016" | cumulative_update_22 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Exchange Server Search vendor "Microsoft" for product "Exchange Server" | 2019 Search vendor "Microsoft" for product "Exchange Server" and version "2019" | cumulative_update_10 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Exchange Server Search vendor "Microsoft" for product "Exchange Server" | 2019 Search vendor "Microsoft" for product "Exchange Server" and version "2019" | cumulative_update_11 |
Affected
| ||||||