CVE-2024-21421

Name: CVE-2024-21421
Creator: NVD / NIST
Published: 2024-03-12T17:15:50.92+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.84%

Last modified Jun 17, 2026

CVE-2024-21421 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Azure SDK Spoofing Vulnerability. EPSS estimates a 1.84% chance of exploitation in the next 30 days.

Description

Azure SDK Spoofing Vulnerability

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.84%

76.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Azure Software Development Kit	>= 1.0.0, < 1.29.5

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21421Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21421Vendor Advisory

Timeline

Published: Mar 12, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-21421?

Azure SDK Spoofing Vulnerability

How severe is CVE-2024-21421?

CVE-2024-21421 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.84% probability of exploitation in the next 30 days.

How do I fix CVE-2024-21421?

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-2024-21421?

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

Scan your code now

Source: NVD / NIST