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Vulnerability record · CVE-2018-20159 · published 15 December 2018

CVE-2018-20159: I-doit improper input validation vulnerability

I Doit · I Doit

i-doit open 1.11.2 allows Remote Code Execution because ZIP archives are mishandled. It has an upload feature that allows an authenticated user with the administrator role to upload arbitrary files to the main website directory. Exploitation involves uploading a ".php" file within a ".zip" file because a ZIP archive is accepted by /admin/?req=modules&action=add as a plugin, and extracted to the main directory. In order for the ".zip" file to be accepted, it must also contain a package.json file.

7.2 CVSS 3.0 High EPSS 9.9% · top 4.6% CWE-20 · Improper input validation
7.2CVSS 3.0 base score, v2 6.5
9.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

i-doit open 1.11.2 allows Remote Code Execution because ZIP archives are mishandled. It has an upload feature that allows an authenticated user with the administrator role to upload arbitrary files to the main website directory. Exploitation involves uploading a ".php" file within a ".zip" file because a ZIP archive is accepted by /admin/?req=modules&action=add as a plugin, and extracted to the main directory. In order for the ".zip" file to be accepted, it must also contain a package.json file.

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://pentest.com.tr/exploits/i-doit-CMDB-1-11-2-Remote-Code-Execution.html ExploitThird Party Advisory
https://www.exploit-db.com/exploits/45957 ExploitThird Party AdvisoryVDB Entry
https://pentest.com.tr/exploits/i-doit-CMDB-1-11-2-Remote-Code-Execution.html ExploitThird Party Advisory
https://www.exploit-db.com/exploits/45957 ExploitThird Party AdvisoryVDB Entry

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-20159), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.