CVE-2023-26564 — The Syncfusion EJ2 ASPCore File Provider 3ac357f is vulnerable to Models/Physica

The Syncfusion EJ2 ASPCore File Provider 3ac357f is vulnerable to Models/PhysicalFileProvider.cs directory traversal. As a result, an unauthenticated attacker can list files within a directory, download any file, or upload any file to any directory accessible by the web server.

01What is this vulnerability?

The Syncfusion EJ2 ASPCore File Provider 3ac357f is vulnerable to Models/PhysicalFileProvider.cs directory traversal. As a result, an unauthenticated attacker can list files within a directory, download any file, or upload any file to any directory accessible by the web server.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2023-07-12T00:00:00.000Z
• Last modified: 2024-11-07T15:09:03.521Z

09References

• ej2.syncfusion.com — https://ej2.syncfusion.com/documentation/file-manager/file-system-provider/
• github.com — https://github.com/SyncfusionExamples/ej2-aspcore-file-provider
• github.com — https://github.com/RupturaInfoSec/CVE-2023-26563-26564-26565/