CVE-2023-3368

CRITICALNVD 9.89.8—Elevated

9.8

Command injection in /main/webservices/additional_webservices.php in Chamilo LMS <= v1.11.20 allows unauthenticated attackers to obtain remote code execution via improper neutralisation of special characters. This is a bypass of CVE-2023-34960.

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 99.5%
KEV: Not listed

Published

November 28, 2023

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Jun 6, 2026

⚠️ Active exploitation confirmed. Upstream fix merged — awaiting tagged release. Sources: github_commit.

generic🔴 Active Exploitation

(CVE-2023-3368) Chamilo LMS Unauthenticated Command Injection | STAR Labs

https://starlabs.sg/advisories/23/23-3368/

github_commit

commit 37be9ce7243a (chamilo/chamilo-lms)

Fix landed in chamilo/chamilo-lms commit 37be9ce7243a — awaiting tagged release

https://github.com/chamilo/chamilo-lms/commit/37be9ce7243a30259047dd4517c48ff8b21d657a

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-78OS Command Injection

Data Freshness Timeline

(refreshed 6× in last 7d / 10× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-07 15:23 UTCepss_batch
2026-06-07 15:23 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-24 13:15 UTCEG score recompute
2026-05-24 13:15 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Nucleihttp/cves/2023/CVE-2023-3368.yaml
First seen Jan 1, 2023
Chamilo LMS <= v1.11.20 Unauthenticated Command Injection
Open source ↗

Frequently asked(5)

What is CVE-2023-3368?

CVE-2023-3368 is a critical vulnerability published on November 28, 2023. Command injection in /main/webservices/additional_webservices.php in Chamilo LMS <= v1.11.20 allows unauthenticated attackers to obtain remote code execution via improper neutralisation of special characters. This is a bypass of CVE-2023-34960.

When was CVE-2023-3368 disclosed?

CVE-2023-3368 was first published in the National Vulnerability Database on November 28, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-3368 actively exploited?

CVE-2023-3368 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-3368?

CVE-2023-3368 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-3368?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-3368, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-3368

📅 Published

🔄 Last Modified

📋 Advisory Details (2)