Is CVE-2021-3958 actively exploited?

No active exploitation of CVE-2021-3958 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-3958 be exploited remotely?

Yes. CVE-2021-3958 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-3958?

CVE-2021-3958 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2021-3958

CWE-89Published: November 16, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Improper Handling of Parameters vulnerability in Ipack Automation Systems Ipack SCADA Software allows : Blind SQL Injection.This issue affects Ipack SCADA Software: from unspecified before 1.1.0.

NVD Source

Technical Analysis

CVE-2021-3958 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.