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CVE-2025-56551

Directadmin vulnerability

8.2 HIGHPublic exploitEPSS 0.36%
  1. Published3 Oct 2025

Description

An issue in DirectAdmin v1.680 allows unauthorized attackers to manipulate the page layout and replace the legitimate login interface with arbitrary attacker-controlled content via supplying a crafted GET request.

CVSS 3.1 breakdown

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

Affected products

Directadmin1.680

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-2025-56551 being actively exploited?

CVE-2025-56551 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.36%.

How severe is CVE-2025-56551?

CVE-2025-56551 has a CVSS 3.1 base score of 8.2, rated high. EPSS estimates a 0.36% probability of exploitation.

Which products are affected by CVE-2025-56551?

Affected products include Directadmin.

How do I fix CVE-2025-56551?

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-2025-56551 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.