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TI-2023-07930 Aliases CVE-2023-21531GHSA-v3ch-w844-fcpj

Azure Service Fabric Container Elevation of Privilege Vulnerability

Priority LOW 32CWE-284Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

Azure Service Fabric Container Elevation of Privilege Vulnerability

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00623 50th percentileScored 2026-11-07
Fix Fixed Azure Service Fabric 8.2 (Microsoft): 8.2 CU8Azure Service Fabric 9.0 for Linux (Microsoft): 9.0 CU5+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftAzure Service Fabric 8.28.2 to before 8.2 CU88.2 CU8Patch availableCNA
MicrosoftAzure Service Fabric 9.0 for Linux9.0 to before 9.0 CU59.0 CU5Patch availableCNA
MicrosoftAzure Service Fabric 9.19.1 to before 9.1 CU19.1 CU1Patch availableCNA
  • Azure Service Fabric 8.2 VendorMicrosoft Affected 8.2 to before 8.2 CU8 Fixed in 8.2 CU8 Patch available CNA
  • Azure Service Fabric 9.0 for Linux VendorMicrosoft Affected 9.0 to before 9.0 CU5 Fixed in 9.0 CU5 Patch available CNA
  • Azure Service Fabric 9.1 VendorMicrosoft Affected 9.1 to before 9.1 CU1 Fixed in 9.1 CU1 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:azure_service_fabric:8.2:*:*:*:*:*:*:*8.2VulnerableMicrosoft
cpe:2.3:a:microsoft:azure_service_fabric:9.0:*:*:*:*:*:*:*9.0VulnerableMicrosoft
cpe:2.3:a:microsoft:azure_service_fabric:9.1:*:*:*:*:*:*:*9.1VulnerableMicrosoft
  • cpe:2.3:a:microsoft:azure_service_fabric:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:azure_service_fabric:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:azure_service_fabric:9.1:*:*:*:*:*:*:* Versions 9.1 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Azure Service Fabric 8.2 (Microsoft) Fixed in 8.2 CU8
  • Fix · CNA Azure Service Fabric 9.0 for Linux (Microsoft) Fixed in 9.0 CU5
  • Fix · CNA Azure Service Fabric 9.1 (Microsoft) Fixed in 9.1 CU1

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
—
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Azure Service Fabric 8.2Fixed 8.2 CU8 · Security Update
Azure Service Fabric 9.0 for LinuxFixed 9.0 CU5 · Security Update
Azure Service Fabric 9.1Fixed 9.1 CU1 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-21531
  2. 2026-10-03 Alias added: GHSA-v3ch-w844-fcpj
  3. 2026-11-04 EPSS moved to the 50th–90th percentile

References

Advisory 1

  • TI-2023-09228 Service Fabric Explorer Spoofing Vulnerability CVSS 3.1HIGH 8.2
  • TI-2022-16270 Service Fabric Explorer Spoofing Vulnerability CVSS 3.1MEDIUM 6.2
  • TI-2024-29122 Azure Service Fabric for Linux Remote Code Execution Vulnerability CVSS 3.1MEDIUM 6.6
  • TI-2021-08645 Azure Virtual Machine Information Disclosure Vulnerability CVSS 3.1MEDIUM 6.8
  • TI-2023-18657 Azure Service Fabric on Windows Information Disclosure Vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2025-15165 Azure Service Fabric Runtime Elevation of Privilege Vulnerability CVSS 3.1MEDIUM 6.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences