CVE-2023-21531

Name: CVE-2023-21531
Creator: NVD / NIST
Published: 2023-01-10T22:15:14.493+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2023-21531 is a high-severity vulnerability rated 7/10 on the CVSS scale. Azure Service Fabric Container Elevation of Privilege Vulnerability. EPSS estimates a 0.71% chance of exploitation in the next 30 days.

Description

Azure Service Fabric Container Elevation of Privilege Vulnerability

Metrics

CVSS 3.1

7/10

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

EPSS Probability

0.71%

48.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Microsoft	Azure Service Fabric	8.2
Microsoft	Azure Service Fabric	9.0
Microsoft	Azure Service Fabric	9.1

References

Timeline

Published: Jan 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21531?

Azure Service Fabric Container Elevation of Privilege Vulnerability

How severe is CVE-2023-21531?

CVE-2023-21531 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21531?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-21531?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST