CVE-2018-20437

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-12-25 · updated 2026-06-17
Weakness: CWE-22

Description

An issue was discovered in the fileDownload function in the CommonController class in FEBS-Shiro before 2018-11-05. An attacker can download a file via a request of the form /common/download?filename=1.jsp&delete=false. NOTE: the software maintainer disputes the significance of this report because the product uses a JAR archive for deployment, and this contains application.yml with configuration data

Affected products

Mrbird Febs-Shiro: before 2018.11.05 — fixed in 2018.11.05

How to fix

Upgrade to a fixed version: Mrbird Febs-Shiro 2018.11.05. Check the vendor advisory for mitigations.

References

https://github.com/wuyouzhuguli/FEBS-Shiro/commit/9a753215b0969a5d5b5bfe8c68585339fee96260
https://github.com/wuyouzhuguli/FEBS-Shiro/commit/a9706b1b3c96bacece24886429b4423c3a467acd
https://github.com/wuyouzhuguli/FEBS-Shiro/issues/40
https://github.com/wuyouzhuguli/FEBS-Shiro/commit/9a753215b0969a5d5b5bfe8c68585339fee96260
https://github.com/wuyouzhuguli/FEBS-Shiro/commit/a9706b1b3c96bacece24886429b4423c3a467acd
https://github.com/wuyouzhuguli/FEBS-Shiro/issues/40

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