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Exchange Server CVE-2020-17084

HIGH
Classic Buffer Overflow (CWE-120)
2020-11-11 secure@microsoft.com
Buffer Overflow RCE Microsoft Exchange Server
8.5
CVSS 3.1 · Vendor: microsoft
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Severity by source

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

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

CVSS VectorVendor: microsoft

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

Lifecycle Timeline

1
CVE Published
Nov 11, 2020 - 07:15 cve.org
HIGH 8.5

DescriptionCVE.org

Microsoft Exchange Server Remote Code Execution Vulnerability

AnalysisAI

Microsoft Exchange Server Remote Code Execution Vulnerability. Rated high severity (CVSS 8.5), this vulnerability is remotely exploitable. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. 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. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.

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Same technique Buffer Overflow

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CVE-2020-17084 vulnerability details – vuln.today
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