Is CVE-2023-1556 actively exploited?

No active exploitation of CVE-2023-1556 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-1556 be exploited remotely?

Yes. CVE-2023-1556 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-1556?

CVE-2023-1556 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-1556

CWE-89Published: March 22, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability was found in SourceCodester Judging Management System 1.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file summary_results.php. The manipulation of the argument main_event_id leads to sql injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-223549 was assigned to this vulnerability.

NVD Source

Risk Analysis

The SourceCodester Judging Management System is vulnerable to remote SQL injection, which could allow an attacker to compromise the database. This critical flaw carries a 9.8 CVSS score due to its remote, unauthenticated nature.

Although the exploit has been disclosed publicly, it is not currently listed in the KEV catalog.

Recommended Action

Sanitize all user inputs for the main_event_id parameter to prevent SQL injection attacks.

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-2023-1556 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.