CVE-2020-21378

CRITICAL

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

Affects 1 product across 1 vendor.

CVSS 3.19.8
EPSS2.1%
Percentile82th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-89: SQL Injection

Attacker inserts SQL commands into application queries through user-controlled input, allowing unauthorized database access.

Related Attack Patterns (CAPEC)
CAPEC-7 Blind SQL Injection
via CWE-89
CAPEC-108 Command Line Execution through SQL Injection
via CWE-89
CAPEC-109 Object Relational Mapping Injection
via CWE-89
CAPEC-110 SQL Injection through SOAP Parameter Tampering
via CWE-89
CAPEC-470 Expanding Control over the Operating System from the Database
via CWE-89
Show all 6
via CWE-89

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

A critical SQL injection vulnerability exists in SeaCMS 10.1 (2020.02.08) through the id parameter in the admin_members_group.php file, allowing attackers to execute arbitrary SQL commands.

BSID: BS-2020-GLOBAL-239278-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

Is this CVE in your environment?

BreachSpider monitors your ICS/OT environment for vulnerabilities like this one. No agents or network access required. Free to start.

Check My Environment →
Frequently Asked Questions
What is CVE-2020-21378?
A critical SQL injection vulnerability exists in SeaCMS 10.1 (2020.02.08) through the id parameter in the admin_members_group.php file, allowing attackers to execute arbitrary SQL commands.
What is the CVSS score for CVE-2020-21378?
CVE-2020-21378 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 2.1%.
Is CVE-2020-21378 actively exploited?
No confirmed active exploitation of CVE-2020-21378 as of 2026-05-30.
How do I remediate CVE-2020-21378?
Priority: IMMEDIATE.
What systems are affected by CVE-2020-21378?
CVE-2020-21378 affects Seacms Seacms.
Vulnerability Details
CVE IDCVE-2020-21378
BSIDBS-2020-GLOBAL-239278-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2020-12-21
Last Modified2024-11-21
ICS Relevance0%
Weakness (CWE)
SQL Injection
SourceNVD
Official Description

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

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability is exploited by manipulating the 'id' parameter in the URL or POST request to the admin_members_group.php script, which is not properly sanitized. This allows an attacker to inject malicious SQL code, potentially leading to unauthorized data access, modification, or deletion.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductAffected Versions
Seacms Seacms 10.1
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 2124 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash596d7f20073f7449f14ccaa7747b2e8baf6353a82ff55d7a0d2f3dabf931b8e42167449ae9a4872afb25755b42a51dec2704fc393d13adefa1e1aed5f82b3191
Related CVEs affecting Seacms
CVE-2022-23878 9.8 seacms V11.5 is affected by an arbitrary code execution vulnerability in admi... CVE-2021-37358 9.8 SQL Injection in SEACMS v210530 (2021-05-30) allows remote attackers to execu... CVE-2018-16822 9.8 SeaCMS 6.64 allows SQL Injection via the upload/admin/admin_video.php order p... CVE-2018-16445 9.8 An issue was discovered in SeaCMS through 6.61. SQL injection exists via the ... CVE-2022-27336 9.8 Seacms v11.6 was discovered to contain a remote code execution (RCE) vulnerab...
View all Seacms CVEs →

Critical Severity - Know Your Exposure

A CVSS 9.8 vulnerability in your ICS environment cannot wait. BreachSpider maps critical CVEs to your specific assets and tells you what to fix first.

Create a free account →