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Known exploited vulnerability

CVE-2021-38645

highCVSS 3.1 7.8In CISA KEVEPSS 2.7%Published · Microsoft

The short answer

CVE-2021-38645 affects Microsoft Azure Automation State Configuration, DSC Extension and is rated high (CVSS 7.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-11-03: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

Open Management Infrastructure Elevation of Privilege Vulnerability

Severity

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Nov 3, 2021

Federal due date Nov 17, 2021

EPSS, next 30 days

2.7%

Higher than 86% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected products

Azure Automation State Configuration, DSC Extension, Azure Automation Update Management, Azure Diagnostics (LAD), Azure Security Center, Azure Sentinel, Azure Stack Hub, Container Monitoring Solution, Log Analytics Agent, Open Management Infrastructure, System Center Operations Manager (SCOM). NVD's record lists the exact affected versions.

References

Questions

Is CVE-2021-38645 being exploited?

Yes. CISA added CVE-2021-38645 to its Known Exploited Vulnerabilities catalog on 2021-11-03, with a federal remediation due date of 2021-11-17.

How do I fix CVE-2021-38645?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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