Skip to main content

Exchange Server CVE-2021-31198

HIGH
Improper Input Validation (CWE-20)
2021-05-11 secure@microsoft.com
Microsoft RCE Exchange Server
7.8
CVSS 3.1 · Vendor: microsoft
Share

Severity by source

Vendor (microsoft) PRIMARY
7.8 HIGH
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from Vendor (microsoft) · only source for this CVE.

CVSS VectorVendor: microsoft

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
May 11, 2021 - 19:15 cve.org
HIGH 7.8

DescriptionCVE.org

Microsoft Exchange Server Remote Code Execution Vulnerability

AnalysisAI

Microsoft Exchange Server Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-20. Microsoft Exchange Server Remote Code Execution Vulnerability Affected products include: Microsoft Exchange Server.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

More in Exchange Server

View all
CVE-2020-17132 CRITICAL POC
9.1 Dec 10

Microsoft Exchange Remote Code Execution Vulnerability. Rated critical severity (CVSS 9.1), this vulnerability is remote
CVE-2022-23277 HIGH POC
8.8 Mar 09

Microsoft Exchange Server Remote Code Execution Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is rem
CVE-2021-42321 HIGH POC
8.8 Nov 10

Microsoft Exchange Server Remote Code Execution Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is rem
CVE-2020-16875 HIGH POC
8.4 Sep 11

<p>A remote code execution vulnerability exists in Microsoft Exchange server due to improper validation of cmdlet argume
CVE-2021-28481 CRITICAL POC
9.8 Apr 13

Microsoft Exchange Server Remote Code Execution Vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is
CVE-2021-28480 CRITICAL POC
9.8 Apr 13

Microsoft Exchange Server Remote Code Execution Vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is
CVE-2018-0986 HIGH POC
8.8 Apr 04

A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does not properly scan a speci
CVE-2018-16793 HIGH POC
8.6 Sep 21

Rollup 18 for Microsoft Exchange Server 2010 SP3 and previous versions has an SSRF vulnerability via the username parame
CVE-2019-0724 HIGH POC
8.1 Mar 05

An elevation of privilege vulnerability exists in Microsoft Exchange Server, aka 'Microsoft Exchange Server Elevation of
CVE-2023-36745 HIGH POC
8.0 Sep 12

Microsoft Exchange Server Remote Code Execution Vulnerability. Rated high severity (CVSS 8.0), this vulnerability is low
CVE-2013-0418 MEDIUM
6.8 Jan 17

Unspecified vulnerability in the Oracle Outside In Technology component in Oracle Fusion Middleware 8.3.7 and 8.4 allows
CVE-2021-33766 HIGH POC
7.3 Jul 14

Microsoft Exchange Server Information Disclosure Vulnerability. Rated high severity (CVSS 7.3), this vulnerability is re

Same weakness CWE-20 – Improper Input Validation

View all
CVE-2021-44228 CRITICAL POC
10.0
CVE-2024-3400 CRITICAL POC
10.0
CVE-2022-47966 CRITICAL POC
9.8
CVE-2023-22515 CRITICAL POC
9.8
CVE-2009-0927 HIGH POC
8.8
CVE-2017-9791 CRITICAL POC
9.8
CVE-2017-15944 CRITICAL POC
9.8
CVE-2019-0604 CRITICAL POC
9.8

Same technique RCE

View all
CVE-2017-7269 CRITICAL POC
9.8
CVE-2012-4681 CRITICAL POC
9.8
CVE-2015-5119 CRITICAL POC
9.8
CVE-2016-4117 CRITICAL POC
9.8
CVE-2015-3113 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2025-53770 CRITICAL POC
9.8
CVE-2020-7961 CRITICAL POC
9.8

Share

CVE-2021-31198 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy