CVE-2021-31196

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-31196
Microsoft Exchange Server Remote Code Execution Vulnerability

7.2 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31196 Patch Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31196 Patch Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31196 US Government Resource
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
History

29 Oct 2025, 16:47

Type Values Removed Values Added
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31196 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31196 - US Government Resource

22 Oct 2025, 00:17

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31196 -

21 Oct 2025, 20:18

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31196', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:19

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31196 -

21 Nov 2024, 06:05

Type Values Removed Values Added
References () https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31196 - Patch, Vendor Advisory () https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31196 - Patch, Vendor Advisory

28 Dec 2023, 23:15

Type Values Removed Values Added
Summary Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31206, CVE-2021-34473. Microsoft Exchange Server Remote Code Execution Vulnerability

17 Jul 2021, 03:31

Type Values Removed Values Added
References (MISC) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31196 - (MISC) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31196 - Patch, Vendor Advisory
CPE cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
CWE NVD-CWE-noinfo
CVSS v2 : unknown
v3 : unknown 		v2 : 6.5
v3 : 7.2

14 Jul 2021, 19:14

Type Values Removed Values Added
New CVE
Information

Published : 2021-07-14 18:15

Updated : 2025-10-29 16:47

NVD link : CVE-2021-31196

Mitre link : CVE-2021-31196

CVE.ORG link : CVE-2021-31196

JSON object : View

Products Affected

microsoft

  • exchange_server
CWE
NVD-CWE-noinfo