CVE-2024-21421

CVE-2024-21421 is a high-severity vulnerability in Microsoft Azure Software Development Kit with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Azure SDK Spoofing Vulnerability

Frequently asked questions

What is CVE-2024-21421?
Azure SDK Spoofing Vulnerability
How severe is CVE-2024-21421?
CVE-2024-21421 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-21421 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21421?
CVE-2024-21421 affects Microsoft Azure Software Development Kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-21421?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-21421 have an EU (EUVD) identifier?
Yes. CVE-2024-21421 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19130.
When was CVE-2024-21421 published?
CVE-2024-21421 was published on 2024-03-12 and last updated on 2026-06-17.

References

Affected products (1)