CVE-2025-53793
CVE-2025-53793 is a high-severity vulnerability in Microsoft Azure Stack Hub 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. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (68th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-24279
- Weakness: CWE-22
- Affected product: Microsoft Azure Stack Hub
- Published:
- Last modified:
Description
Improper authentication in Azure Stack allows an unauthorized attacker to disclose information over a network.
Frequently asked questions
- What is CVE-2025-53793?
- Improper authentication in Azure Stack allows an unauthorized attacker to disclose information over a network.
- How severe is CVE-2025-53793?
- CVE-2025-53793 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-2025-53793 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-53793?
- CVE-2025-53793 affects Microsoft Azure Stack Hub. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-53793?
- 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-2025-53793 have an EU (EUVD) identifier?
- Yes. CVE-2025-53793 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24279.
- When was CVE-2025-53793 published?
- CVE-2025-53793 was published on 2025-08-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:azure_stack_hub:*:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Azure Stack Hub
- CVE-2021-38647 — Critical (CVSS 9.8): Open Management Infrastructure (OMI) Remote Code Execution Vulnerability
- CVE-2024-38108 — Critical (CVSS 9.3): Azure Stack Hub Spoofing Vulnerability
- CVE-2024-38220 — Critical (CVSS 9.0): Azure Stack Hub Elevation of Privilege Vulnerability
- CVE-2024-38216 — High (CVSS 8.2): Azure Stack Hub Elevation of Privilege Vulnerability
- CVE-2022-29149 — High (CVSS 7.8): Open Management Infrastructure (OMI) Elevation of Privilege Vulnerability
- CVE-2021-38648 — High (CVSS 7.8): Open Management Infrastructure Elevation of Privilege Vulnerability
All CVEs affecting Microsoft Azure Stack Hub →
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