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CVE-2023-3368

77
FAUCET Score

CVE-2023-3368 is a critical command injection vulnerability in Chamilo LMS versions up to and including 1.11.20, specifically within the /main/webservices/additional_webservices.php component. This flaw allows unauthenticated attackers to achieve remote code execution by bypassing previous sanitization efforts, indicating a high potential for system compromise. With a CVSS score of 9.8 (Critical) and an EPSS percentile of 0.84764, the vulnerability is easily exploitable over the network with no user interaction required, leading to complete loss of confidentiality, integrity, and availability. While not yet listed in CISA's KEV catalog, Nuclei templates exist for this vulnerability, suggesting readily available exploit code, though there is currently no significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.11.20CPE matchmatch criteria
cpe:2.3:a:chamilo:chamilo:*:*:*:*:*:*:*:*
>= 0, <= 1.11.20CPE match
cpe:2.3:a:chamilo:chamilo:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
68.90%
Probability of exploitation in next 30 days
EPSS Percentile
99.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Nuclei: CVE-2023-3368 · Nov 30, 2023
This CVE's current EPSS score of 0.6890 is in the 97th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / chamilo/chamilo-lms/commit/37be9ce7243a30259047dd4517c48ff8b21d657a
Patch
https / /github.com/chamilo/chamilo-lms/commit/4c69b294f927db62092e01b70ac9bd6e32d5b48b
Patch
starlabs.sg / advisories/23/23-3368
ExploitThird Party Advisory
support.chamilo.org / projects/chamilo-18/wiki/security_issues
Issue TrackingVendor Advisory