How severe is CVE-2025-5171?

CVE-2025-5171 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-5171 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-5171?

CVE-2025-5171 affects Llisoft Mta Maita Training System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-5171?

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

Does CVE-2025-5171 have an EU (EUVD) identifier?

Yes. CVE-2025-5171 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16262.

When was CVE-2025-5171 published?

CVE-2025-5171 was published on 2025-05-26 and last updated on 2026-06-17.

CVE-2025-5171

CVE-2025-5171 is a medium-severity vulnerability in Llisoft Mta Maita Training System with a CVSS 3.x base score of 6.3. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 5.3
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16262
Weakness: CWE-434
Affected product: Llisoft Mta Maita Training System
Published: 2025-05-26
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, has been found in llisoft MTA Maita Training System 4.5. This issue affects the function this.fileService.download of the file com\llisoft\controller\OpenController.java. The manipulation of the argument url leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-5171?: A vulnerability, which was classified as critical, has been found in llisoft MTA Maita Training System 4.5. This issue affects the function this.fileService.download of the file com\llisoft\controller\OpenController.java. The manipulation of the argument url leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-5171?: CVE-2025-5171 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-5171 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-5171?: CVE-2025-5171 affects Llisoft Mta Maita Training System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-5171?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-5171 have an EU (EUVD) identifier?: Yes. CVE-2025-5171 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16262.
When was CVE-2025-5171 published?: CVE-2025-5171 was published on 2025-05-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:llisoft:mta_maita_training_system:4.5:*:*:*:*:*:*:*

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