CVE-2018-20437
CVE-2018-20437 is a high-severity vulnerability in Mrbird Febs-shiro with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (82nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Mrbird Febs-shiro
- Published:
- Last modified:
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
Frequently asked questions
- What is CVE-2018-20437?
- 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
- How severe is CVE-2018-20437?
- CVE-2018-20437 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2018-20437 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-20437?
- CVE-2018-20437 affects Mrbird Febs-shiro. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-20437?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-20437 published?
- CVE-2018-20437 was published on 2018-12-25 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:a:mrbird:febs-shiro:*:*:*:*:*:*:*:*
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