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CVE-2021-38647: Microsoft Open Management Infrastructure (OMI) Remote Code Execution Vulnerability
CVE-2021-38647 is rated critical with a CVSS v3.1 base score of 9.8 and affects Microsoft Open Management Infrastructure (OMI), along with 9 other products in NVD’s configuration data. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available. CISA added it to its Known Exploited Vulnerabilities catalog on 2021-11-03, which means exploitation in the wild has been observed.
Vulnerability description
Open Management Infrastructure (OMI) Remote Code Execution Vulnerability
Severity breakdown
CVSS v3.1 9.8: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Affected products
- Microsoft Open Management Infrastructure: before 1.6.8-1
- Microsoft Azure Automation State Configuration: all versions listed by NVD
- Microsoft Azure Automation Update Management: all versions listed by NVD
- Microsoft Azure Diagnostics (Lad): all versions listed by NVD
- Microsoft Azure Security Center: all versions listed by NVD
- Microsoft Azure Sentinel: all versions listed by NVD
- Microsoft Azure Stack Hub: all versions listed by NVD
- Microsoft Container Monitoring Solution: all versions listed by NVD
- Microsoft Log Analytics Agent: all versions listed by NVD
- Microsoft System Center Operations Manager: all versions listed by NVD
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38647
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38647
- http://packetstormsecurity.com/files/164694/Microsoft-OMI-Management-Interface-Authentication-Bypass.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38647