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Vulnerability record · CVE-2021-20682 · published 26 March 2021

CVE-2021-20682: Basercms os command injection vulnerability

Basercms · Basercms

baserCMS versions prior to 4.4.5 allows a remote attacker with an administrative privilege to execute arbitrary OS commands via unspecified vectors.

7.2 CVSS 3.1 High EPSS 2.5% · top 16.0% CWE-78 · OS command injection
7.2CVSS 3.1 base score, v2 9.0
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

baserCMS versions prior to 4.4.5 allows a remote attacker with an administrative privilege to execute arbitrary OS commands via unspecified vectors.

CVSS:3.1/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://basercms.net/security/JVN64869876 PatchVendor Advisory
https://jvn.jp/en/jp/JVN64869876/index.html Third Party Advisory
https://basercms.net/security/JVN64869876 PatchVendor Advisory
https://jvn.jp/en/jp/JVN64869876/index.html Third Party Advisory

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Related vulnerabilities

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

9.8CVE-2023-43792Basercms code injection vulnerabilitybaserCMS is a website development framework. In versions 4.6.0 through 4.7.6, there is a Code Injection vulnerability in the mail form of baserCMS. A…EPSS 0.57%9.8CVE-2023-43649Basercms cross-site request forgery vulnerabilitybaserCMS is a website development framework. Prior to version 4.8.0, there is a cross site request forgery vulnerability in the content preview featu…EPSS 0.35%9.8CVE-2023-25655Basercms unrestricted file upload vulnerabilitybaserCMS is a Content Management system. Prior to version 4.7.5, any file may be uploaded on the management system of baserCMS. Version 4.7.5 contain…EPSS 1.1%9.8CVE-2023-25654Basercms unrestricted file upload vulnerabilitybaserCMS is a Content Management system. Prior to version 4.7.5, there is a Remote Code Execution (RCE) Vulnerability in the management system of bas…EPSS 1.5%9.8CVE-2017-10842Basercms sql injection vulnerabilitySQL injection vulnerability in the baserCMS 3.0.14 and earlier, 4.0.5 and earlier allows remote attackers to execute arbitrary SQL commands via unspe…EPSS 1.8%9.2CVE-2026-30880Basercms os command injection vulnerabilitybaserCMS is a website development framework. Prior to version 5.2.3, baserCMS has an OS command injection vulnerability in the installer. This issue …EPSS 2.2%8.8CVE-2021-41279Basercms path traversal vulnerabilityBaserCMS is an open source content management system with a focus on Japanese language support. In affected versions users with upload privilege may …EPSS 1.6%8.8CVE-2021-41243Basercms os command injection vulnerabilityThere is a Potential Zip Slip Vulnerability and OS Command Injection Vulnerability on the management system of baserCMS. Users with permissions to up…EPSS 2.2%

Source: NIST National Vulnerability Database (record CVE-2021-20682), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.