What is the CVSS score of CVE-2025-63406?

CVE-2025-63406 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Which versions of PHP are affected by CVE-2025-63406?

Organizations using Intermesh BV GroupOffice vulnerable face significant risk from CVE-2025-63406, a command injection vulnerability rated CVSS 8.8.

Is there a public PoC exploit available for CVE-2025-63406?

Yes, a public proof-of-concept exploit is available for CVE-2025-63406. Prioritise patching immediately. EPSS: 0.6%.

How to fix or mitigate CVE-2025-63406?

Within 7 days: Identify all affected systems running Intermesh BV GroupOffice vulnerable and apply vendor patches promptly. Validate that input sanitization is in place for all user-controlled parameters.

PHP CVE-2025-63406

HIGH

Command Injection (CWE-77)

2025-11-13 cve@mitre.org

PHP Command Injection RCE Group Office

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:22 vuln.today

PoC Detected

Jan 09, 2026 - 15:45 vuln.today

Public exploit code

CVE Published

Nov 13, 2025 - 19:15 nvd

HIGH 8.8

DescriptionCVE.org

An issue in Intermesh BV GroupOffice vulnerable before v.25.0.47 and 6.8.136 allows a remote attacker to execute arbitrary code via the dbToApi() and eval() in the FunctionField.php

AnalysisAI

An issue in Intermesh BV GroupOffice vulnerable before v.25.0.47 and 6.8.136 allows a remote attacker to execute arbitrary code via the dbToApi() and eval() in the FunctionField.php. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. An issue in Intermesh BV GroupOffice vulnerable before v.25.0.47 and 6.8.136 allows a remote attacker to execute arbitrary code via the dbToApi() and eval() in the FunctionField.php Affected products include: Group-Office Group Office.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

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CVE-2025-63406 vulnerability details – vuln.today

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PHP CVE-2025-63406

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

More from same product – last 7 days

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External POC / Exploit Code