CVE-2020-21378

Name: CVE-2020-21378
Creator: NVD / NIST
Published: 2020-12-21T19:15:13.17+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.15%

Last modified Jun 17, 2026

CVE-2020-21378 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. SQL injection vulnerability in SeaCMS 10.1 (2020.02.08) via the id parameter in an edit action to admin_members_group.php.. EPSS estimates a 2.15% chance of exploitation in the next 30 days.

Description

SQL injection vulnerability in SeaCMS 10.1 (2020.02.08) via the id parameter in an edit action to admin_members_group.php.

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

2.15%

79.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Seacms	Seacms	10.1

References

https://github.com/hackxf/cms_vul/blob/master/SeacmsSQL.mdExploit, Third Party Advisory
https://github.com/hackxf/cms_vul/blob/master/SeacmsSQL.mdExploit, Third Party Advisory

Timeline

Published: Dec 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-21378?

SQL injection vulnerability in SeaCMS 10.1 (2020.02.08) via the id parameter in an edit action to admin_members_group.php.

How severe is CVE-2020-21378?

CVE-2020-21378 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.15% probability of exploitation in the next 30 days.

How do I fix CVE-2020-21378?

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-2020-21378?

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

Scan your code now

Source: NVD / NIST