CVE-2023-26563
CVE-2023-26563 is a critical-severity vulnerability in Syncfusion Nodejs File System Provider with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (71st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Syncfusion Nodejs File System Provider
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2023-26563?
- CVE-2023-26563 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-26563 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-26563?
- CVE-2023-26563 affects Syncfusion Nodejs File System Provider. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-26563?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-26563 published?
- CVE-2023-26563 was published on 2023-07-12 and last updated on 2026-06-17.
References
- https://ej2.syncfusion.com/documentation/file-manager/file-system-provider/
- https://github.com/RupturaInfoSec/CVE-2023-26563-26564-26565/
- https://github.com/SyncfusionExamples/ej2-filemanager-node-filesystem
Affected products (1)
- cpe:2.3:a:syncfusion:nodejs_file_system_provider:0102271:*:*:*:*:*:*:*
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