Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-31207— Microsoft Exchange Server Security Feature Bypass Vulnerability

Quick assessment

Affected
Microsoft Microsoft Exchange Server 2013 Cumulative Update 23
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Exchange Server是美国微软（Microsoft）公司的一套电子邮件服务程序。它提供邮件存取、储存、转发，语音邮件，邮件过滤筛选等功能。 Microsoft Exchange Server 存在代码问题漏洞。以下产品和版本受到影响：Microsoft Exchange Server 2013 Cumulative Update 23,Microsoft Exchange Server 2019 Cumulative Update 9,Microsoft Exchange S

CVSS 6.6 · Medium KEV · Ransomware EPSS 99.78% · P100

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-31207

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Microsoft Exchange Server Security Feature Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Microsoft Exchange Server Security Feature Bypass Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Exchange Server 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Exchange Server是美国微软（Microsoft）公司的一套电子邮件服务程序。它提供邮件存取、储存、转发，语音邮件，邮件过滤筛选等功能。 Microsoft Exchange Server 存在代码问题漏洞。以下产品和版本受到影响：Microsoft Exchange Server 2013 Cumulative Update 23,Microsoft Exchange Server 2019 Cumulative Update 9,Microsoft Exchange S
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Shenlong Deep Dive — AI Deep Analysis

10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.

Read summary Full analysis (login)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 15.00.0 ~ 15.00.1497.018 cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 15.02.0 ~ 15.02.0858.012 cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 15.01.0 ~ 15.01.2242.010 cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 15.01.0 ~ 15.01.2176.014 cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 15.02.0 ~ 15.02.0792.015 cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*

II. Public POCs for CVE-2021-31207

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-31207

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-31207 (2)

Exploits & Public PoCs for CVE-2021-31207 (1)

Same Patch Batch · Microsoft · 2021-05-11 · 52 CVEs total

CVE-2021-28476 9.9 CRITICAL Windows Hyper-V Remote Code Execution Vulnerability
CVE-2021-31166 9.8 CRITICAL HTTP Protocol Stack Remote Code Execution Vulnerability
CVE-2021-27068 8.8 HIGH Visual Studio Remote Code Execution Vulnerability
CVE-2021-28455 8.8 HIGH Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vul
CVE-2021-31181 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2021-28474 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-31194 8.8 HIGH OLE Automation Remote Code Execution Vulnerability
CVE-2021-31198 7.8 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-31188 7.8 HIGH Windows Graphics Component Elevation of Privilege Vulnerability
CVE-2021-31211 7.8 HIGH Visual Studio Code Remote Code Execution Vulnerability
CVE-2021-31165 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31167 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31180 7.8 HIGH Microsoft Office Graphics Remote Code Execution Vulnerability
CVE-2021-31168 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31179 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31177 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31175 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31176 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31170 7.8 HIGH Windows Graphics Component Elevation of Privilege Vulnerability
CVE-2021-31169 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability

Showing top 20 of 52 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Microsoft Exchange Server 2013 Cumulative Update 23
Same vendor: Microsoft

V. Comments for CVE-2021-31207

No comments yet

Leave a comment