What’s Vulnerable › Vulnerabilities

CVE-2019-17352

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-10-08 · updated 2026-06-17
• Weakness: CWE-434

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.

Affected products

• Jfinal: before 4.4 — fixed in 4.4

How to fix

Upgrade to a fixed version: Jfinal 4.4. Check the vendor advisory for mitigations.

References

• https://gitee.com/jfinal/cos/commit/5eb23d6e384abaad19faa7600d14c9a2f525946a
• https://gitee.com/jfinal/cos/commit/8d26eec61f0d072a68bf7393cf3a8544a1112130
• https://github.com/jfinal/jfinal/issues/171
• https://gitee.com/jfinal/cos/commit/5eb23d6e384abaad19faa7600d14c9a2f525946a
• https://gitee.com/jfinal/cos/commit/8d26eec61f0d072a68bf7393cf3a8544a1112130
• https://github.com/jfinal/jfinal/issues/171

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