Is CVE-2021-4328 actively exploited?

No active exploitation of CVE-2021-4328 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-4328 be exploited remotely?

Yes. CVE-2021-4328 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-4328?

CVE-2021-4328 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2021-4328

CWE-89Published: March 2, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability has been found in 狮子鱼CMS and classified as critical. Affected by this vulnerability is the function goods_detail of the file ApiController.class.php. The manipulation of the argument goods_id leads to sql injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The associated identifier of this vulnerability is VDB-222223.

NVD Source

Risk Analysis

Lionfish CMS is vulnerable to SQL injection via the goods_detail function in ApiController.class.php. This critical vulnerability is remotely exploitable and poses a severe threat to the application's data.

While the vulnerability is known to the public, there is no active exploitation in the wild, and it is not in the CISA KEV.

Recommended Action

Since no versioning is available, contact the vendor for security updates or implement a Web Application Firewall (WAF) to block malicious SQL injection attempts.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-4328 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.