How severe is CVE-2025-25539?

CVE-2025-25539 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-25539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-25539?

CVE-2025-25539 affects Onespan Vasco Self-service Portal. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-25539?

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

Does CVE-2025-25539 have an EU (EUVD) identifier?

Yes. CVE-2025-25539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16041.

When was CVE-2025-25539 published?

CVE-2025-25539 was published on 2025-05-21 and last updated on 2026-06-17.

CVE-2025-25539

CVE-2025-25539 is a medium-severity vulnerability in Onespan Vasco Self-service Portal with a CVSS 3.x base score of 6.5. 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-98.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16041
Weakness: CWE-98
Affected product: Onespan Vasco Self-service Portal
Published: 2025-05-21
Last modified: 2026-06-17

Description

Local File Inclusion vulnerability in Vasco v3.14and before allows a remote attacker to obtain sensitive information via help menu.

Frequently asked questions

What is CVE-2025-25539?: Local File Inclusion vulnerability in Vasco v3.14and before allows a remote attacker to obtain sensitive information via help menu.
How severe is CVE-2025-25539?: CVE-2025-25539 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-25539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-25539?: CVE-2025-25539 affects Onespan Vasco Self-service Portal. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-25539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-25539 have an EU (EUVD) identifier?: Yes. CVE-2025-25539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16041.
When was CVE-2025-25539 published?: CVE-2025-25539 was published on 2025-05-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:onespan:vasco_self-service_portal:*:*:*:*:*:*:*:*

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