How severe is CVE-2023-3368?

CVE-2023-3368 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-3368 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 69% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3368?

CVE-2023-3368 affects Chamilo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3368?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-3368 published?

CVE-2023-3368 was published on 2023-11-28 and last updated on 2026-06-17.

CVE-2023-3368

CVE-2023-3368 is a critical-severity vulnerability in Chamilo with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 69% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 69% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Chamilo
Published: 2023-11-28
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-3368?: 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.
How severe is CVE-2023-3368?: CVE-2023-3368 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-3368 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 69% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3368?: CVE-2023-3368 affects Chamilo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3368?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-3368 published?: CVE-2023-3368 was published on 2023-11-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:chamilo:chamilo:*:*:*:*:*:*:*:*

More vulnerabilities in Chamilo

CVE-2023-3545 — Critical (CVSS 9.8): Improper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache…
CVE-2023-3533 — Critical (CVSS 9.8): Path traversal in file upload functionality in `/main/webservices/additional_webservices.php` in Chamilo LMS <=…
CVE-2023-34960 — Critical (CVSS 9.8): A command injection vulnerability in the wsConvertPpt component of Chamilo v1.11.* up to v1.11.18 allows attackers to…
CVE-2021-34187 — Critical (CVSS 9.8): main/inc/ajax/model.ajax.php in Chamilo through 1.11.14 allows SQL Injection via the searchField, filters, or filters2…
CVE-2022-42029 — High (CVSS 8.8): Chamilo 1.11.16 is affected by an authenticated local file inclusion vulnerability which allows authenticated users…
CVE-2022-40407 — High (CVSS 8.8): A zip slip vulnerability in the file upload function of Chamilo v1.11 allows attackers to execute arbitrary code via a…

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