VDB-253960 · CVE-2024-21728 · GCVE-0-2024-21728

SmartCalc osTicky up to 2.2.7 on Joomla URL return redirect

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.
4.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in SmartCalc osTicky up to 2.2.7 on Joomla. This vulnerability affects unknown code of the component URL Handler. Executing a manipulation of the argument return can lead to redirect. This vulnerability is registered as CVE-2024-21728. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in SmartCalc osTicky up to 2.2.7 on Joomla (Joomla Component). It has been declared as problematic. This vulnerability affects an unknown function of the component URL Handler. The manipulation of the argument return with an unknown input leads to a redirect vulnerability. The CWE definition for the vulnerability is CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. As an impact it is known to affect integrity. CVE summarizes:

An Open Redirect vulnerability was found in osTicky2 below 2.2.8. osTicky (osTicket Bridge) by SmartCalc is a Joomla 3.x extension that provides Joomla fronted integration with osTicket, a popular Support ticket system. The Open Redirect vulnerability allows attackers to control the return parameter in the URL to a base64 malicious URL.

The weakness was published 02/15/2024 by Matei Josephs. The advisory is shared for download at github.com. This vulnerability was named CVE-2024-21728 since 01/01/2024. 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 T1204.001.

Upgrading to version 2.2.8 eliminates this vulnerability.

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Productinfo

Type

Joomla Component

Vendor

SmartCalc

Name

osTicky

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.0
VulDB Temp Score: 2.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.1
CNA Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Redirect
CWE: CWE-601
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: osTicky 2.2.8

Timelineinfo

01/01/2024 🔍
02/15/2024 +45 days 🔍
02/15/2024 +0 days 🔍
04/19/2025 +429 days 🔍

Sourcesinfo

Advisory: github.com
Researcher: Matei Josephs
Status: Confirmed

CVE: CVE-2024-21728 (🔍)
GCVE (CVE): GCVE-0-2024-21728
GCVE (VulDB): GCVE-100-253960

Entryinfo

Created: 02/15/2024 22:15
Updated: 04/19/2025 17:08
Changes: 02/15/2024 22:15 (43), 12/03/2024 18:22 (26), 04/19/2025 17:08 (3)
Complete: 🔍
Cache ID: 216::103