How severe is CVE-2024-21728?

CVE-2024-21728 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-21728 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21728?

CVE-2024-21728 affects Smartcalc Osticky. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-21728?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-21728 have an EU (EUVD) identifier?

Yes. CVE-2024-21728 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19344.

When was CVE-2024-21728 published?

CVE-2024-21728 was published on 2024-02-15 and last updated on 2026-06-17.

CVE-2024-21728

CVE-2024-21728 is a medium-severity vulnerability in Smartcalc Osticky with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19344
Weakness: CWE-601
Affected product: Smartcalc Osticky
Published: 2024-02-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2024-21728?: 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.
How severe is CVE-2024-21728?: CVE-2024-21728 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-21728 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21728?: CVE-2024-21728 affects Smartcalc Osticky. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-21728?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21728 have an EU (EUVD) identifier?: Yes. CVE-2024-21728 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19344.
When was CVE-2024-21728 published?: CVE-2024-21728 was published on 2024-02-15 and last updated on 2026-06-17.

References

https://github.com/solracsf/osTicky

Affected products (1)

cpe:2.3:a:smartcalc:osticky:*:*:*:*:*:joomla\!:*:*

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