What is CVE-2024-21397?

CVE-2024-21397 is a medium-severity vulnerability in Microsoft Azure File Sync, classified under Improper Link Resolution Before File Access. CVSS score: 5.3/10. Published 2024-02-13.

How severe is CVE-2024-21397?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2024-21397 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Azure File Sync

CVE-2024-21397

Microsoft Azure File Sync Elevation of Privilege Vulnerability

EPSS: 0.005 (38.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L.

Affected products

Microsoft Azure File Sync — versions 16.0.0, 15.0.0, 14.0.0
Microsoft Azure_file_sync — versions 17.0.0.0

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

secure@microsoft.com (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2024-21397?: CVE-2024-21397 is a medium-severity vulnerability in Microsoft Azure File Sync, classified under Improper Link Resolution Before File Access. CVSS score: 5.3/10. Published 2024-02-13.
How severe is CVE-2024-21397?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2024-21397 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.