CVE-2022-21957Network attack vector

High-privilege remote code execution

Published Feb 9, 2022 · Updated Jan 2, 2025

Remote code execution in Dynamics 365 (on-premises) before 9.0.37.2 or 9.1.9.8 allows remote authenticated users to execute arbitrary code. Microsoft has not published the affected component, attacker-controlled input, or operation that causes code execution. Exploitation requires high-privilege authenticated network access and can compromise the application server and its accessible data.

CVSS severity7.2
High
EPSS probability2.72%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Remote code execution in Dynamics 365 (on-premises) before 9.0.37.2 or 9.1.9.8 allows remote authenticated users to execute arbitrary code. Microsoft has not published the affected component, attacker-controlled input, or operation that causes code execution. Exploitation requires high-privilege authenticated network access and can compromise the application server and its accessible data.

The record

CVE
CVE-2022-21957
Published
Feb 9, 2022
Updated
Jan 2, 2025
Vendor
Microsoft
Product
Microsoft Dynamics 365 (on-premises) version 9.1
Classifications
T1210
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Feb 9, 2022CVE publishedPublication date reported by the CVE source.
  2. Jan 2, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=9.0 <9.1.9.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Microsoft · Microsoft Dynamics 365 (on-premises) version 9.1version=9.0 <9.1.9.8
Microsoft · Microsoft Dynamics 365 (on-premises) version 9.0version=9.0.0 <9.0.37.2

Published CVSS scores

7.2MicrosoftCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.5NIST NVDAV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1210Exploitation of Remote Services

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo