CVE-2019-17352
CWE-434Published: October 8, 2019· Updated: Jun 17, 2026
Official Description
In JFinal cos before 2019-08-13, as used in JFinal 4.4, there is a vulnerability that can bypass the isSafeFile() function: one can upload any type of file. For example, a .jsp file may be stored and almost immediately deleted, but this deletion step does not occur for certain exceptions.
Technical Analysis
CVE-2019-17352 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (6)
Quick Facts
Related CVEs (CWE-434)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-17352 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts