Path Traversal in Syncfusion Node.js File System Provider

CVE-2023-26563

The Syncfusion EJ2 Node File Provider 0102271 is vulnerable to filesystem-server.js directory traversal. As a result, an unauthenticated attacker can: - On Windows, list files in any directory, read any file, delete any file, upload any file to any directory accessible by the web server. - On Linux, read any file, download any directory, delete any file, upload any file to any directory accessible by the web server.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.019 (77.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-26563?
CVE-2023-26563 is a critical-severity vulnerability in Syncfusion Node.js File System Provider, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-07-12.
How severe is CVE-2023-26563?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-26563 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.