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CVE-2025-3927

Digigram Pyko-out broken access control

9.8 CRITICALEPSS 0.56%
  1. Published2 May 2025

Description

Digigram's PYKO-OUT audio-over-IP (AoIP) web-server does not require a password by default, allowing any attacker with the target IP address to connect and compromise the device, potentially pivoting to connected network or hardware devices.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Digigram Pyko-outall versions

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2025-3927 being actively exploited?

CVE-2025-3927 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.56%.

How severe is CVE-2025-3927?

CVE-2025-3927 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.56% probability of exploitation.

Which products are affected by CVE-2025-3927?

Affected products include Digigram Pyko-out.

How do I fix CVE-2025-3927?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-3927 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.