What is the CVSS score of CVE-2025-52546?

CVE-2025-52546 has a CVSS 4.0 base score of 5.1 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2025-52546?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review file handling controls.

E3 Supervisory Controller Firmware CVE-2025-52546

Q: Which versions of E3 Supervisory Controller Firmware are affected by CVE-2025-52546?

CVE-2025-52546 presents moderate security risk, a unrestricted file upload vulnerability rated CVSS 5.1. This could allow unauthorized file access.

MEDIUM

Unrestricted Upload of File with Dangerous Type (CWE-434)

2025-09-02 dd59f033-460c-4b88-a075-d4d3fedb6191

XSS File Upload E3 Supervisory Controller Firmware Copeland

5.1

CVSS 4.0 · Vendor: dd59f033-460c-4b88-a075-d4d3fedb6191

View

Vulnerability Assessment

Weakness	CWE CWE-434 OWASP Top 10:2025 A06:2025 - Insecure Design ASVS 5.0 V5 - File Handling File type validation, storage isolation MITRE ATT&CK 2 techniques across 2 tactics: Command and Control, Persistence The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 5.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 0.11%.
Exploit ScenarioDerived	A remote attacker could upload malicious files that can be executed on the server by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.1% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Mar 28, 2026

E3 Site Supervisor Control (firmware version < 2.31F01) has a floor plan feature that allows for an unauthenticated attacker to upload floor plan files. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.

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

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. E3 Site Supervisor Control (firmware version < 2.31F01) has a floor plan feature that allows for an unauthenticated attacker to upload floor plan files. By uploading a specially crafted floor plan file, an attacker can inject a stored XSS to the floorplan web page. Affected products include: Copeland E3 Supervisory Controller Firmware.

Know when E3 Supervisory Controller Firmware gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

Vendor (dd59f033-460c-4b88-a075-d4d3fedb6191) PRIMARY 5.1 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (dd59f033-460c-4b88-a075-d4d3fedb6191) · only source for this CVE.

CVSS VectorVendor: dd59f033-460c-4b88-a075-d4d3fedb6191

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

None

Privileges Required

None

User Interaction

Active

Vulnerable system: Confidentiality

Low

Vulnerable system: Integrity

Low

Vulnerable system: Availability

None

Subsequent system: Confidentiality

None

Subsequent system: Integrity

None

Subsequent system: Availability

None

DescriptionCVE.org

E3 Site Supervisor Control (firmware version < 2.31F01) has a floor plan feature that allows for an unauthenticated attacker to upload floor plan files. By uploading a specially crafted floor plan file, an attacker can inject a stored XSS to the floorplan web page.

Executive ViewAI

Why It Matters

CVE-2025-52546 presents moderate security risk, a unrestricted file upload vulnerability rated CVSS 5.1. This could allow unauthorized file access. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: restrict file access via WAF, implement allowlists.

Threat Intelligence Overview

EPSS Score

0.1%

Top 71% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

VulDB

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 MEDIUM

CISA KEV No

Public POC No

EPSS 0.1%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

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.