How severe is CVE-2025-50054?

CVE-2025-50054 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-50054 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-50054?

CVE-2025-50054 affects Openvpn Ovpn-dco-win. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-50054?

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

Does CVE-2025-50054 have an EU (EUVD) identifier?

Yes. CVE-2025-50054 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18726.

When was CVE-2025-50054 published?

CVE-2025-50054 was published on 2025-06-20 and last updated on 2026-06-17.

CVE-2025-50054

CVE-2025-50054 is a medium-severity vulnerability in Openvpn Ovpn-dco-win with a CVSS 3.x base score of 5.5. 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-122.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18726
Weakness: CWE-122
Affected product: Openvpn Ovpn-dco-win
Published: 2025-06-20
Last modified: 2026-06-17

Description

Buffer overflow in OpenVPN ovpn-dco-win version 1.3.0 and earlier and version 2.5.8 and earlier allows a local user process to send a too large control message buffer to the kernel driver resulting in a system crash

Frequently asked questions

What is CVE-2025-50054?: Buffer overflow in OpenVPN ovpn-dco-win version 1.3.0 and earlier and version 2.5.8 and earlier allows a local user process to send a too large control message buffer to the kernel driver resulting in a system crash
How severe is CVE-2025-50054?: CVE-2025-50054 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-50054 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-50054?: CVE-2025-50054 affects Openvpn Ovpn-dco-win. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-50054?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-50054 have an EU (EUVD) identifier?: Yes. CVE-2025-50054 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18726.
When was CVE-2025-50054 published?: CVE-2025-50054 was published on 2025-06-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openvpn:ovpn-dco-win:*:*:*:*:*:*:*:*

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