VDB-187532 · CVE-2021-35415 · GCVE-0-2021-35415

Chamilo LMS Course Title/Content cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Chamilo LMS. This issue affects some unknown processing of the component Course Handler. Such manipulation of the argument Title/Content leads to cross site scripting. This vulnerability is uniquely identified as CVE-2021-35415. The attack can be launched remotely. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Chamilo LMS (Content Management System) (affected version not known). It has been rated as problematic. Affected by this issue is some unknown functionality of the component Course Handler. The manipulation of the argument Title/Content with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity.

The weakness was disclosed 12/04/2021. The advisory is shared for download at support.chamilo.org. This vulnerability is handled as CVE-2021-35415 since 06/23/2021. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Applying the patch 19189a91d1eac9aa204b9439b82e3e73c8ac2e03 is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Content Management System

Vendor

Chamilo

Name

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 19189a91d1eac9aa204b9439b82e3e73c8ac2e03

Timelineinfo

06/23/2021 🔍
12/04/2021 +164 days 🔍
12/04/2021 +0 days 🔍
12/09/2021 +5 days 🔍

Sourcesinfo

Advisory: 19189a91d1eac9aa204b9439b82e3e73c8ac2e03
Status: Confirmed

CVE: CVE-2021-35415 (🔍)
GCVE (CVE): GCVE-0-2021-35415
GCVE (VulDB): GCVE-100-187532

Entryinfo

Created: 12/04/2021 01:13
Updated: 12/09/2021 09:06
Changes: 12/04/2021 01:13 (41), 12/09/2021 09:03 (2), 12/09/2021 09:06 (18)
Complete: 🔍
Cache ID: 216::103