Cyber Resilience

CVE-2024-21421

High

Published: 12 March 2024

Published
12 March 2024
Modified
27 December 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0742 91.9th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-21421 is a high-severity an unspecified weakness vulnerability in Microsoft Azure Software Development Kit. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 8.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

CVE-2024-21421 is a spoofing vulnerability affecting the Azure SDK. It is rated 7.5 under CVSS 3.1 with an attack vector of network, low complexity, no required privileges or user interaction, and a scope that preserves the original privileges while impacting confidentiality.

An unauthenticated remote attacker can exploit the flaw to perform spoofing actions that result in high-impact disclosure of sensitive information from affected Azure SDK deployments.

Microsoft publishes mitigation details and patch guidance for the vulnerability in its Security Response Center update guide.

The associated EPSS score remains flat at 0.0742 with no material rise from its recorded peak.

EU & UK References

Vulnerability details

Azure SDK Spoofing Vulnerability

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
azure software development kit
1.0.0 — 1.29.5

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References