CVE-2018-20437

Name: CVE-2018-20437
Creator: NVD / NIST
Published: 2018-12-25T15:29:00.24+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.44%

Last modified Jun 17, 2026

CVE-2018-20437 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 2.44% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

2.44%

82.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Mrbird	Febs-Shiro	< 2018.11.05

References

https://github.com/wuyouzhuguli/FEBS-Shiro/commit/9a753215b0969a5d5b5bfe8c68585339fee96260Patch, Third Party Advisory
https://github.com/wuyouzhuguli/FEBS-Shiro/commit/a9706b1b3c96bacece24886429b4423c3a467acdPatch, Third Party Advisory
https://github.com/wuyouzhuguli/FEBS-Shiro/issues/40Exploit, Third Party Advisory
https://github.com/wuyouzhuguli/FEBS-Shiro/commit/9a753215b0969a5d5b5bfe8c68585339fee96260Patch, Third Party Advisory
https://github.com/wuyouzhuguli/FEBS-Shiro/commit/a9706b1b3c96bacece24886429b4423c3a467acdPatch, Third Party Advisory
https://github.com/wuyouzhuguli/FEBS-Shiro/issues/40Exploit, Third Party Advisory

Timeline

Published: Dec 25, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20437?

How severe is CVE-2018-20437?

CVE-2018-20437 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.44% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20437?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20437?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST