8.1
HIGH
CVE-2023-4220
"Chamilo LMS Unrestricted File Upload Vulnerability"
Description

Unrestricted file upload in big file upload functionality in `/main/inc/lib/javascript/bigupload/inc/bigUpload.php` in Chamilo LMS <= v1.11.24 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via uploading of web shell.

INFO

Published Date :

Nov. 28, 2023, 8:15 a.m.

Last Modified :

Dec. 4, 2023, 2:53 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.2
Public PoC/Exploit Available at Github

CVE-2023-4220 has a 18 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-4220 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Chamilo chamilo_lms
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-4220.

URL Resource
https://github.com/chamilo/chamilo-lms/commit/3b487a55076fb06f96809b790a35dcdd42f8ec49 Patch
https://starlabs.sg/advisories/23/23-4220 Exploit Third Party Advisory
https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-130-2023-09-04-Critical-impact-High-risk-Unauthenticated-users-may-gain-XSS-and-unauthenticated-RCE-CVE-2023-4220 Issue Tracking Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
0x00-null/Chamilo-CVE-2023-4220-RCE-Exploit

(CVE-2023-4220) Chamilo LMS Unauthenticated Big Upload File Remote Code Execution

Python

Updated: 2 weeks, 3 days ago
0 stars 0 fork 0 watcher
Born at : Sept. 3, 2024, 12:16 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
qrxnz/CVE-2023-4220

CVE-2023-4220 Chamilo Exploit

Updated: 3 weeks, 3 days ago
0 stars 0 fork 0 watcher
Born at : Aug. 27, 2024, 5:12 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
thefizzyfish/CVE-2023-4220

Python exploit for Chamilo Unrestricted File Upload Vuln - CVE-2023-4220

Python

Updated: 3 weeks, 3 days ago
1 stars 0 fork 0 watcher
Born at : Aug. 24, 2024, 3:25 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
VanishedPeople/CVE-2023-4220

CVE-2023-4220 PoC Chamilo RCE

Python PHP

Updated: 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Aug. 24, 2024, 5:32 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
LGenAgul/CVE-2023-4220-Proof-of-concept

Chamilo LMS Unauthenticated Big Upload File that allows remote code execution

Python

Updated: 1 month ago
0 stars 0 fork 0 watcher
Born at : Aug. 18, 2024, 8 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
charchit-subedi/chamilo-lms-unauthenticated-rce-poc

This is a script written in Python that allows the exploitation of the Chamilo's LMS software security flaw described in CVE-2023-4220

Python

Updated: 1 month, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Aug. 2, 2024, 6:14 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
Al3xGD/CVE-2023-4220-Exploit

LMS Chamilo 1.11.24 CVE-2023-4220 Exploit

Python PHP

Updated: 2 months ago
0 stars 0 fork 0 watcher
Born at : July 15, 2024, 1:38 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
nr4x4/CVE-2023-4220

CVE-2023–4220 Exploit

Shell Python

Updated: 2 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : July 11, 2024, 1:06 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
krishnan-tech/CVE-2023-4226-POC

POC for CVE-2023-4220 - Chamilo LMS Unauthenticated Big Upload File Remote Code Execution

Python

Updated: 2 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : July 10, 2024, 2:26 a.m. This repo has been linked 2 different CVEs too.
Profile Photo
B1TC0R3/CVE-2023-4220-PoC

Proof of concept exploit for CVE-2023-4220

Python

Updated: 1 month ago
0 stars 0 fork 0 watcher
Born at : July 9, 2024, 8:06 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
HO4XXX/cve-2023-4220-poc

PoC for CVE-2023-4220 - Chamilo LMS - Unauthenticated File Upload in BigUpload

Python

Updated: 2 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : July 9, 2024, 4:09 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
Ziad-Sakr/Chamilo-CVE-2023-4220-Exploit

This is an Exploit for Unrestricted file upload in big file upload functionality in Chamilo-LMS for this location "/main/inc/lib/javascript/bigupload/inc/bigUpload.php" in Chamilo LMS <= v1.11.24, and Attackers can obtain remote code execution via uploading of web shell.

chamilo chamilo-lms cve exploit web-shell file-upload-poc lms penetration penetration-testing poc

Shell

Updated: 1 month ago
4 stars 2 fork 2 watcher
Born at : July 8, 2024, 9:48 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
insomnia-jacob/CVE-2023-4220

CVE-2023-4220 POC RCE

Python

Updated: 1 month, 1 week ago
3 stars 0 fork 0 watcher
Born at : July 8, 2024, 7:31 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
charlesgargasson/CVE-2023-4220

RCE Chamilo 1.11.24

2023 chamilo chamilo-lms cve cve-2023-4220 exploit lms poc beersel bigupload rce

Updated: 1 month ago
1 stars 0 fork 0 watcher
Born at : July 7, 2024, 4:57 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
dollarboysushil/Chamilo-LMS-Unauthenticated-File-Upload-CVE-2023-4220

Unrestricted file upload in big file upload functionality in `/main/inc/lib/javascript/bigupload/inc/bigUpload.php` in Chamilo LMS <= v1.11.24 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via uploading of web shell.

chamilo-lms file-upload-vulnerability hackthebox chamilo-exploit cve-2023-4220

Updated: 1 month, 2 weeks ago
1 stars 0 fork 0 watcher
Born at : July 7, 2024, 3:53 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-4220 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-4220 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Dec. 04, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://github.com/chamilo/chamilo-lms/commit/3b487a55076fb06f96809b790a35dcdd42f8ec49 No Types Assigned https://github.com/chamilo/chamilo-lms/commit/3b487a55076fb06f96809b790a35dcdd42f8ec49 Patch
    Changed Reference Type https://starlabs.sg/advisories/23/23-4220 No Types Assigned https://starlabs.sg/advisories/23/23-4220 Exploit, Third Party Advisory
    Changed Reference Type https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-130-2023-09-04-Critical-impact-High-risk-Unauthenticated-users-may-gain-XSS-and-unauthenticated-RCE-CVE-2023-4220 No Types Assigned https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-130-2023-09-04-Critical-impact-High-risk-Unauthenticated-users-may-gain-XSS-and-unauthenticated-RCE-CVE-2023-4220 Issue Tracking, Vendor Advisory
    Added CWE NIST CWE-434
    Added CWE NIST CWE-79
    Added CPE Configuration OR *cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:* versions up to (including) 1.11.24
  • CVE Received by [email protected]

    Nov. 28, 2023

    Action Type Old Value New Value
    Added Description Unrestricted file upload in big file upload functionality in `/main/inc/lib/javascript/bigupload/inc/bigUpload.php` in Chamilo LMS <= v1.11.24 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via uploading of web shell.
    Added Reference STAR Labs SG Pte. Ltd. https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-130-2023-09-04-Critical-impact-High-risk-Unauthenticated-users-may-gain-XSS-and-unauthenticated-RCE-CVE-2023-4220 [No types assigned]
    Added Reference STAR Labs SG Pte. Ltd. https://starlabs.sg/advisories/23/23-4220 [No types assigned]
    Added Reference STAR Labs SG Pte. Ltd. https://github.com/chamilo/chamilo-lms/commit/3b487a55076fb06f96809b790a35dcdd42f8ec49 [No types assigned]
    Added CWE STAR Labs SG Pte. Ltd. CWE-434
    Added CVSS V3.1 STAR Labs SG Pte. Ltd. AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-4220 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-4220 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.02 }} -0.09%

score

0.89167

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: