CVE-2021-31198
published 2021-05-11CVE-2021-31198: Microsoft Exchange Server Remote Code Execution Vulnerability
PriorityP344high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
4.87%
91.1th percentile
Microsoft Exchange Server Remote Code Execution Vulnerability
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | microsoft_exchange_server_2013_cumulative_update_23 | >= 15.00.0 < 15.00.1497.018 | 15.00.1497.018 |
| microsoft | microsoft_exchange_server_2016_cumulative_update_19 | >= 15.01.0 < 15.01.2176.014 | 15.01.2176.014 |
| microsoft | microsoft_exchange_server_2016_cumulative_update_20 | >= 15.01.0 < 15.01.2242.010 | 15.01.2242.010 |
| microsoft | microsoft_exchange_server_2019_cumulative_update_8 | >= 15.02.0 < 15.02.0792.015 | 15.02.0792.015 |
| microsoft | microsoft_exchange_server_2019_cumulative_update_9 | >= 15.02.0 < 15.02.0858.012 | 15.02.0858.012 |
| msrc | microsoft_exchange_server_2013_cumulative_update_23 | — | — |
| msrc | microsoft_exchange_server_2016_cumulative_update_19 | — | — |
| msrc | microsoft_exchange_server_2016_cumulative_update_20 | — | — |
| msrc | microsoft_exchange_server_2019_cumulative_update_8 | — | — |
| msrc | microsoft_exchange_server_2019_cumulative_update_9 | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
vendor_msrc7.8HIGH
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GHSA
GHSA-q258-48f4-r94w: Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31195
ghsa_unreviewed·2022-05-24·CVSS 6.5
CVE-2021-31198 [MEDIUM] CWE-20 GHSA-q258-48f4-r94w: Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31195
Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31195.
GHSA
GHSA-w3mg-g64h-4h34: Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31198
ghsa_unreviewed·2022-05-24·CVSS 7.8
CVE-2021-31195 [HIGH] CWE-290 GHSA-w3mg-g64h-4h34: Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31198
Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31198.
Microsoft
Microsoft Exchange Server Remote Code Execution Vulnerability
vendor_msrc·2021-05-11·CVSS 7.8
CVE-2021-31198 [HIGH] Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server: Microsoft Exchange Server
Microsoft: Microsoft
Impact: Remote Code Execution
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely;DOS:N/A
Reference: http://www.microsoft.com/download/details.aspx?familyid=9536f4a0-838b-40a6-b625-36cd7a6229a1
Reference: https://support.microsoft.com/help/5003435
Reference: http://www.microsoft.com/download/details.aspx?familyid=e8857a66-5eb5-4b0e-b938-07eb17c3af1a
Reference: http://www.microsoft.com/download/details.aspx?familyid=91b8d31b-dcd8-4e3c-a262-8229a0d060d4
Reference: http://www.microsoft.com/download/details.aspx?familyid=68b339e9-3040-4da8-8e57-6fd325cfa9ee
No detection rules found.
No public exploits indexed.
Tenable
Microsoft’s May 2021 Patch Tuesday Addresses 55 CVEs (CVE-2021-31166)
blogs_tenable·2021-05-11·CVSS 9.8
[CRITICAL] Microsoft’s May 2021 Patch Tuesday Addresses 55 CVEs (CVE-2021-31166)
## Cloud Exposure
Tenable Cloud Security (CNAPP) Request a demo
Tenable Cloud Vulnerability Management Request a demo
Tenable CIEM Request a demo
Secure your cloud
## Vulnerability Exposure
Tenable Vulnerability Management Try for free
Tenable Security Center Request a demo
Tenable Web App Scanning Try for free
Tenable Patch Management Request a demo
Tenable Enclave Security Request a demo
Tenable Attack Surface Management Request a demo
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## AI Exposure
Tenable AI Exposure Request a demo
## OT/IoT Exposure
Tenable OT Security Request a demo
## Identity Exposure
Tenable Identity Exposure Request a demo
## Business needs
Active Directory
AI Security Posture Management (AI-SPM)
AWS security
Azure security
Cloud Security Posture Man
Qualys
Microsoft & Adobe Patch Tuesday (May 2021) – Qualys covers 85 Vulnerabilities, 26 Critical
blogs_qualys·2021-05-11·CVSS 9.9
CVE-2021-31181 [CRITICAL] Microsoft & Adobe Patch Tuesday (May 2021) – Qualys covers 85 Vulnerabilities, 26 Critical
## Microsoft Patch Tuesday – May 2021
Microsoft patched 55 CVEs in their May 2021 Patch Tuesday release, of which 4 are rated as critical severity. Three 0-day vulnerability patches were included in the release. As of this publication date, none have been exploited.
Qualys released 12 QIDs on the same day, providing vulnerability detection and patch management coverage (where applicable) for all 55 CVEs and the related KBs.
## Critical Microsoft vulnerabilities patched:
CVE-2021-31181 – SharePoint Remote Code Execution Vulnerability
Microsoft released patches addressing a critical RCE vulnerability in SharePoint (CVE-2021-31181). This CVE has a high likelihood of exploitability and is assigned a CVSSv3 base score of 8.8 by the vendor.
CVE-2021-31166 – HTTP Protocol Stack Remote Code
2021-05-11
Published