CVE-2020-18078

Name: CVE-2020-18078
Creator: NVD / NIST
Published: 2021-12-17T17:15:10.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.01%

Last modified Jun 17, 2026

CVE-2020-18078 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability in /include/web_check.php of SEMCMS v3.8 allows attackers to reset the Administrator account's password.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

Description

A vulnerability in /include/web_check.php of SEMCMS v3.8 allows attackers to reset the Administrator account's password.

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

1.01%

58.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Sem-Cms	Semcms	3.8

References

https://github.com/cve-vul/vul/blob/master/SEMCMS/back_password_reset.mdExploit, Third Party Advisory
https://github.com/cve-vul/vul/blob/master/SEMCMS/back_password_reset.mdExploit, Third Party Advisory

Timeline

Published: Dec 17, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-18078?

A vulnerability in /include/web_check.php of SEMCMS v3.8 allows attackers to reset the Administrator account's password.

How severe is CVE-2020-18078?

CVE-2020-18078 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.

How do I fix CVE-2020-18078?

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-2020-18078?

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

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Source: NVD / NIST