CyberSec.Space Logo
返回 CVE 浏览器

CVE-2021-26855

Known Exploited (CISA KEV)CRITICAL
9.1
CVSS Severity Score
EPSS Score77.9900%
EPSS Percentile90.51th
Published2021年3月3日
Last Modified2025年12月18日

Vulnerability Description

Microsoft Exchange Server Remote Code Execution Vulnerability

Affected Platforms (CPE)

📦
Microsoft

Exchange Server

= 2013
📦
Microsoft

Exchange Server

= 2013
📦
Microsoft

Exchange Server

= 2013
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2016
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019
📦
Microsoft

Exchange Server

= 2019

References & Advisories

🔗 http://packetstormsecurity.com/files/161846/Microsoft-Exchange-2019-SSRF-Arbitrary-File-Write.html
🔗 http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html
🔗 http://packetstormsecurity.com/files/162610/Microsoft-Exchange-2019-Unauthenticated-Email-Download.html
🔗 http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html
🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26855
🔗 http://packetstormsecurity.com/files/161846/Microsoft-Exchange-2019-SSRF-Arbitrary-File-Write.html
🔗 http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html
🔗 http://packetstormsecurity.com/files/162610/Microsoft-Exchange-2019-Unauthenticated-Email-Download.html

相关漏洞威胁

CVE-2004-084010.0

The SMTP (Simple Mail Transfer Protocol) component of Microsoft Windows XP 64-bit Edition, Windows Server 2003, Windows Server 200...

CVE-2006-662710.0

Integer overflow in the packed PE file parsing implementation in BitDefender products before 20060829, including Antivirus, Antivi...

CVE-2004-057410.0

The Network News Transfer Protocol (NNTP) component of Microsoft Windows NT Server 4.0, Windows 2000 Server, Windows Server 2003, ...

CVE-2007-021310.0

Microsoft Exchange Server 2000 SP3, 2003 SP1 and SP2, and 2007 does not properly decode certain MIME encoded e-mails, which allows...