CVE-2024-21323
CVE-2024-21323 is a high-severity vulnerability in Microsoft Defender For Iot with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-36.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 3% (87th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-19035
- Weakness: CWE-36
- Affected product: Microsoft Defender For Iot
- Published:
- Last modified:
Description
Microsoft Defender for IoT Remote Code Execution Vulnerability
Frequently asked questions
- What is CVE-2024-21323?
- Microsoft Defender for IoT Remote Code Execution Vulnerability
- How severe is CVE-2024-21323?
- CVE-2024-21323 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-21323 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-21323?
- CVE-2024-21323 affects Microsoft Defender For Iot. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-21323?
- 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-2024-21323 have an EU (EUVD) identifier?
- Yes. CVE-2024-21323 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19035.
- When was CVE-2024-21323 published?
- CVE-2024-21323 was published on 2024-04-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:defender_for_iot:*:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Defender For Iot
- CVE-2021-42313 — Critical (CVSS 10.0): Microsoft Defender for IoT Remote Code Execution Vulnerability
- CVE-2021-42311 — Critical (CVSS 10.0): Microsoft Defender for IoT Remote Code Execution Vulnerability
- CVE-2024-38089 — Critical (CVSS 9.1): Microsoft Defender for IoT Elevation of Privilege Vulnerability
- CVE-2021-43882 — Critical (CVSS 9.0): Microsoft Defender for IoT Remote Code Execution Vulnerability
- CVE-2024-29053 — High (CVSS 8.8): Microsoft Defender for IoT Remote Code Execution Vulnerability
- CVE-2021-42315 — High (CVSS 8.8): Microsoft Defender for IoT Remote Code Execution Vulnerability
All CVEs affecting Microsoft Defender For Iot →
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