CVE-2026-2584
Critical SQL Injection in Authentication Module Allows Full Data Compromise
Publication date: 2026-03-02
Last updated on: 2026-03-02
Assigner: Spanish National Cybersecurity Institute, S.A. (INCIBE)
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| ciser_system | sl_firmware | From 3.0|end_including=5.1 (inc) |
| ciser_system | sl_firmware | From 5.3 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-89 | The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
[{'type': 'paragraph', 'content': 'CVE-2026-2584 is a critical SQL Injection vulnerability found in the authentication module of Ciser System SL firmware versions 3.0 to 5.1.'}, {'type': 'paragraph', 'content': 'An unauthenticated, remote attacker can exploit this flaw by sending specially crafted SQL queries through the login interface.'}, {'type': 'paragraph', 'content': "This allows the attacker to fully compromise the system's configuration data by manipulating the SQL commands executed by the system."}] [1]
How can this vulnerability impact me? :
[{'type': 'paragraph', 'content': "The vulnerability allows a remote attacker to fully compromise the system's configuration data without needing any privileges or user interaction."}, {'type': 'paragraph', 'content': 'While the availability of the service remains unaffected, the attacker can gain access to sensitive information and potentially control or alter system configurations.'}, {'type': 'paragraph', 'content': 'Additionally, there may be limited exposure of sensitive information about interconnected or subsequent systems.'}] [1]
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigations for CVE-2026-2584 include restricting access to the management/login panel using allowlists.
- Block untrusted network connections to prevent unauthorized access.
- Isolate the management interface in a dedicated VLAN that is accessible only through a secure VPN.
The permanent fix is to upgrade to firmware version 5.3 or later, which includes improved input validation and parameterized queries to prevent SQL injection.