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Vulnerability record · CVE-2021-45786 · published 16 March 2022

CVE-2021-45786: Maccms improper authentication vulnerability

MMaccms · Maccms

In maccms v10, an attacker can log in through /index.php/user/login in the "col" and "openid" parameters to gain privileges.

9.8 CVSS 3.1 Critical EPSS 1.2% · top 33.1% CWE-287 · Improper authentication
9.8CVSS 3.1 base score, v2 7.5
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In maccms v10, an attacker can log in through /index.php/user/login in the "col" and "openid" parameters to gain privileges.

CVSS:3.1/AV:N/AC:L/PR:N/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://github.com/magicblack/maccms10/issues/747 ExploitIssue TrackingThird Party Advisory
https://github.com/magicblack/maccms10/issues/747 ExploitIssue TrackingThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2020-21359Maccms unrestricted file upload vulnerabilityAn arbitrary file upload vulnerability in the Template Upload function of Maccms10 allows attackers bypass the suffix whitelist verification to execu…EPSS 1.7%9.8CVE-2017-17733Maccms vulnerabilityMaccms 8.x allows remote command execution via the wd parameter in an index.php?m=vod-search request.EPSS 44%9.1CVE-2025-28091Maccms server-side request forgery (ssrf) vulnerabilitymaccms10 v2025.1000.4047 has a Server-Side Request Forgery (SSRF) vulnerability via Add Article.EPSS 0.44%9.1CVE-2025-28089Maccms server-side request forgery (ssrf) vulnerabilitymaccms10 v2025.1000.4047 is vulnerable to Server-Side Request Forgery (SSRF) via the Scheduled Task function.EPSS 0.44%9.1CVE-2025-28090Maccms server-side request forgery (ssrf) vulnerabilitymaccms10 v2025.1000.4047 is vulnerable to Server-Side Request Forgery (SSRF) in the Collection Custom Interface feature.EPSS 0.43%8.8CVE-2022-47872Maccms server-side request forgery (ssrf) vulnerabilityA Server-Side Request Forgery (SSRF) in maccms10 v2021.1000.2000 allows attackers to force the application to make arbitrary requests via a crafted p…EPSS 0.87%8.8CVE-2020-21386Maccms cross-site request forgery vulnerabilityA Cross-Site Request Forgery (CSRF) in the component admin.php/admin/type/info.html of Maccms 10 allows attackers to gain administrator privileges.EPSS 0.44%8.8CVE-2019-9829Maccms inclusion from untrusted sphere vulnerabilityMaccms 10 allows remote attackers to execute arbitrary PHP code by entering this code in a template/default_pc/html/art Edit action. This occurs beca…EPSS 2.0%

Source: NIST National Vulnerability Database (record CVE-2021-45786), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.