CVE-2020-18457

Name: CVE-2020-18457
Creator: NVD / NIST
Published: 2021-08-12T18:15:08.48+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.8/10EPSS 0.48%

Last modified Jun 17, 2026

CVE-2020-18457 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. Cross Site Request Forgery (CSRF) vulnerability exists in bycms v1.3.0 that can add an admin account via admin.php/ucenter/add.html.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

Cross Site Request Forgery (CSRF) vulnerability exists in bycms v1.3.0 that can add an admin account via admin.php/ucenter/add.html.

Metrics

CVSS 3.1

6.8/10

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

EPSS Probability

0.48%

37.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Bycms Project	Bycms	1.3.0

References

https://github.com/hillerlin/bycms/issues/3Exploit, Third Party Advisory
https://github.com/hillerlin/bycms/issues/3Exploit, Third Party Advisory

Timeline

Published: Aug 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-18457?

Cross Site Request Forgery (CSRF) vulnerability exists in bycms v1.3.0 that can add an admin account via admin.php/ucenter/add.html.

How severe is CVE-2020-18457?

CVE-2020-18457 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2020-18457?

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-2020-18457?

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

Scan your code now

Source: NVD / NIST