CVE-2022-41082: Microsoft Exchange Server Remote Code Execution Vulnerability

Published Sep 30, 2022
·
Updated

Microsoft Exchange Server contains an unspecified vulnerability that allows for authenticated remote code execution. Dubbed "ProxyNotShell," this vulnerability is chainable with CVE-2022-41040 which allows for the remote code execution.

Other sources

Microsoft Exchange Server Remote Code Execution Vulnerability

Affected Software

11 affected componentsFixes available
Microsoft Exchange Server
Microsoft Exchange Server=2013-cumulative_update_23
Microsoft Exchange Server=2016-cumulative_update_22
Microsoft Exchange Server=2016-cumulative_update_23
Microsoft Exchange Server=2019-cumulative_update_11
Microsoft Exchange Server=2019-cumulative_update_12
Microsoft Exchange Server 2019=12
15.02.1118.020
Microsoft Exchange Server 2016=22
15.01.2375.037
Microsoft Exchange Server 2013=23
15.00.1497.044
Microsoft Exchange Server 2016=23
15.01.2507.016
Microsoft Exchange Server 2019=11
15.02.0986.036

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 15.02.1118.020Patch KB5019758
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 15.01.2375.037Patch KB5019758
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 15.00.1497.044Patch KB5019758
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 15.01.2507.016Patch KB5019758
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 15.02.0986.036Patch KB5019758

Event History

Sep 30, 2022
CVE Published
via CISA·12:00 AM
Known Exploited
via CISA·12:00 AM
Known Ransomware
via CISA·12:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Description
Oct 3, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverity
Data Sourced
via NVD·01:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Jun 4, 2025
News Published
via The Register·11:40 PM
News Published
via The Register·11:45 PM

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2022-41082?

CVE-2022-41082 is a remote code execution vulnerability in Microsoft Exchange Server.

2

What is the severity of CVE-2022-41082?

The severity of CVE-2022-41082 is critical.

3

How does CVE-2022-41082 work?

CVE-2022-41082 allows authenticated attackers to execute arbitrary code on a vulnerable Microsoft Exchange Server.

4

Is CVE-2022-41082 chainable with another vulnerability?

Yes, CVE-2022-41082 is chainable with CVE-2022-41040, which also allows for remote code execution.

5

How can I fix CVE-2022-41082?

To fix CVE-2022-41082, apply the latest security updates provided by Microsoft.

Contact

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