CVE-2023-35394
Published: 08 August 2023
Summary
CVE-2023-35394 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Microsoft Azure Hdinsight. Its CVSS base score is 4.6 (Medium).
Operationally, ranked at the 44.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2023-35394 is a spoofing vulnerability affecting Azure HDInsight Jupyter Notebook. It carries a CVSS 3.1 base score of 4.6 and is associated with CWE-79. The flaw permits an attacker to present falsified content within the notebook interface under specific conditions.
An authenticated user with low privileges can exploit the issue over a network by crafting input that triggers spoofing when another user interacts with the affected notebook. Successful exploitation yields limited impact on confidentiality and integrity without affecting availability.
Microsoft Security Response Center advisories at the referenced URLs describe the issue and direct administrators to apply the updates provided in the Azure HDInsight release notes and security patches.
EPSS for the CVE rose from a low baseline to a peak of 0.0741 on 2025-01-22 before receding to the current value of 0.0021, indicating a period of increased exploitation interest after initial disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-39395
Vulnerability details
Azure HDInsight Jupyter Notebook Spoofing Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.