Is CVE-2023-5550 actively exploited?

No active exploitation of CVE-2023-5550 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-5550 be exploited remotely?

Yes. CVE-2023-5550 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-5550?

CVE-2023-5550 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-5550

CRITICAL

CVE-2023-5550

CWE-94Published: November 9, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

In a shared hosting environment that has been misconfigured to allow access to other users' content, a Moodle user who also has direct access to the web server outside of the Moodle webroot could utilise a local file include to achieve remote code execution.

NVD Source

Risk Analysis

Moodle is vulnerable to remote code execution in misconfigured shared hosting environments where users have access outside the webroot. This critical flaw allows attackers to leverage local file inclusion to execute arbitrary code.

No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable.

Recommended Action

Ensure proper server configuration to isolate webroot directories and apply the latest Moodle security patches.

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-2023-5550 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.