What is the CVSS score of CVE-2025-56551?

CVE-2025-56551 has a CVSS 3.1 base score of 8.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N. EPSS exploitation probability: 0.1%.

Is there a public PoC exploit available for CVE-2025-56551?

Yes, a public proof-of-concept exploit is available for CVE-2025-56551. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-56551?

Within 7 days: Identify all affected systems running DirectAdmin and apply vendor patches promptly. Monitor vendor channels for patch availability.

Directadmin CVE-2025-56551

EUVD-2025-32471 HIGH

Use of GET Request Method With Sensitive Query Strings (CWE-598)

2025-10-03 cve@mitre.org

Authentication Bypass Directadmin

8.2

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-598 OWASP Top 10:2025 A06:2025 - Insecure Design ASVS 5.0 V4 - API and Web Service Sensitive data in POST not GET
Impact	CVSS 8.2. EPSS 0.1%. Public PoC/exploit available. No patch confirmed.
Exploit ScenarioDerived	An attacker could exploit this vulnerability in DirectAdmin to compromise the security of affected deployments, potentially impacting confidentiality, integrity, or availability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 13, 2026

A security vulnerability in DirectAdmin (CVSS 8.2) that allows unauthorized attackers. Risk factors: public PoC available.

Earlier versions of this analysis (1)

v1 Mar 13, 2026 - 19:29 CVSS 8.2

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

RemediationAI

Monitor vendor channels for patch availability.

Affected VersionsENISA

n/a n/a

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Vulnerability type not specified by vendor. CVSS 8.2 indicates high severity. Affects DirectAdmin.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.2 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

None

Lifecycle Timeline

PoC Detected

Oct 15, 2025 - 18:34 vuln.today

Public exploit code

CVE Published

Oct 03, 2025 - 17:15 nvd

HIGH 8.2

DescriptionCVE.org

Executive ViewAI

Why It Matters

Organizations using DirectAdmin face notable risk from CVE-2025-56551 rated CVSS 8.2. Successful exploitation could significantly impact the confidentiality, integrity, or availability of affected systems. Proof-of-concept code is publicly available, increasing the risk of exploitation. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: High

Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

EPSS Score

0.1%

Top 84% exploitable

Exploit

POC

Public exploit code exists

Data Quality

4 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC Yes

EPSS 0.1%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.