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Vulnerability record · CVE-2020-25483 · published 23 October 2020

CVE-2020-25483: Ucms project ucms unrestricted file upload vulnerability

UUcms Project · Ucms

An arbitrary command execution vulnerability exists in the fopen() function of file writes of UCMS v1.4.8, where an attacker can gain access to the server.

9.8 CVSS 3.1 Critical EPSS 8.6% · top 5.1% CWE-434 · Unrestricted file upload
9.8CVSS 3.1 base score, v2 7.5
8.6%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

An arbitrary command execution vulnerability exists in the fopen() function of file writes of UCMS v1.4.8, where an attacker can gain access to the server.

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://sunian19.github.io/2020/09/08/UCMS%20v.1.4.8%20Command%20execution/ ExploitThird Party Advisory
https://sunian19.github.io/2020/09/08/UCMS%20v.1.4.8%20Command%20execution/ ExploitThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2023-1303Ucms project ucms unrestricted file upload vulnerabilityA vulnerability was found in UCMS 1.6 and classified as critical. This issue affects some unknown processing of the file sadmin/fileedit.php of the c…EPSS 0.79%9.8CVE-2022-38297Ucms project ucms reliance on cookies without validation vulnerabilityUCMS v1.6.0 contains an authentication bypass vulnerability which is exploited via cookie poisoning.EPSS 1.2%9.8CVE-2022-35426Ucms project ucms unrestricted file upload vulnerabilityUCMS 1.6 is vulnerable to arbitrary file upload via ucms/sadmin/file PHP file.EPSS 1.1%9.8CVE-2020-25537Ucms project ucms unrestricted file upload vulnerabilityFile upload vulnerability exists in UCMS 1.5.0, and the attacker can take advantage of this vulnerability to obtain server management permission.EPSS 1.9%9.8CVE-2018-17035Ucms project ucms sql injection vulnerabilityUCMS 1.4.6 has SQL injection during installation via the install/index.php mysql_dbname parameter.EPSS 1.1%9.8CVE-2018-17036Ucms project ucms code injection vulnerabilityAn issue was discovered in UCMS 1.4.6 and 1.6. It allows PHP code injection during installation via the systemdomain parameter to install/index.php, …EPSS 1.7%9.1CVE-2022-28443Ucms project ucms vulnerabilityUCMS v1.6 was discovered to contain an arbitrary file deletion vulnerability.EPSS 0.99%8.8CVE-2022-42234Ucms project ucms vulnerabilityThere is a file inclusion vulnerability in the template management module in UCMS 1.6EPSS 0.87%

Source: NIST National Vulnerability Database (record CVE-2020-25483), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.