CVE-2020-18432

Name: CVE-2020-18432
Creator: NVD / NIST
Published: 2023-06-30T02:15:08.623+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2020-18432 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. File Upload vulnerability in SEMCMS PHP 3.7 allows remote attackers to upload arbitrary files and gain escalated privileges.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

File Upload vulnerability in SEMCMS PHP 3.7 allows remote attackers to upload arbitrary files and gain escalated privileges.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.67%

47.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Sem-Cms	Semcms	3.7

References

Timeline

Published: Jun 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-18432?

File Upload vulnerability in SEMCMS PHP 3.7 allows remote attackers to upload arbitrary files and gain escalated privileges.

How severe is CVE-2020-18432?

CVE-2020-18432 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2020-18432?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-18432?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST