What is the CVSS score of CVE-2025-40537?

CVE-2025-40537 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2025-40537?

Within 24 hours: Identify all SolarWinds Web Help Desk instances in your environment and assess if they are internet-facing or accessible from untrusted networks. Within 7 days: Implement network segmentation to restrict access to Web Help Desk to authorized personnel only, enable enhanced logging/monitoring on these systems, and rotate all administrative credentials. Within 30 days: Evaluate alternative help desk solutions and develop a migration plan; prioritize patching immediately upon vendor release.

Web Help Desk CVE-2025-40537

HIGH

Use of Hard-coded Credentials (CWE-798)

2026-01-28 psirt@solarwinds.com

Authentication Bypass Web Help Desk Solarwinds

7.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-798 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V6 - Authentication Credential externalization MITRE ATT&CK 2 techniques across 2 tactics: Persistence, Credential Access 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 7.5 (HIGH). Attack vector: Network. Complexity: High. Privileges required: Low. User interaction: None. Exploitation requires authentication.
Exploit ScenarioDerived	An attacker (requires authentication) could exploit this vulnerability to access to administrative functions.

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

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

SolarWinds Web Help Desk was found to be susceptible to a hardcoded credentials vulnerability that, under certain situations, could allow access to administrative functions. [CVSS 7.5 HIGH]

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

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

Classified as CWE-798 (Use of Hard-coded Credentials). Affects Web Help Desk. SolarWinds Web Help Desk was found to be susceptible to a hardcoded credentials vulnerability that, under certain situations, could allow access to administrative functions.

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Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

SolarWinds Web Help Desk was found to be susceptible to a hardcoded credentials vulnerability that, under certain situations, could allow access to administrative functions.

Executive ViewAI

Why It Matters

SolarWinds Web Help Desk contains hardcoded credentials that could allow unauthorized administrative access to affected systems. Organizations using this product face immediate risk of data breach, system compromise, and operational disruption until a patch is released.

Business Impact: High

Compensating Controls

Implement strict network access controls (IP whitelisting, WAF rules blocking unauthorized admin endpoints); restrict Web Help Desk access to internal networks only; disable remote access features if not essential; enable multi-factor authentication where supported; increase monitoring and alerting for administrative login attempts; consider isolating affected instances until patch availability; maintain detailed audit logs of all access attempts.

Threat Intelligence Overview

EPSS Score

0.0%

Top 99% exploitable

Data Quality

3 sources

Confidence: Low

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 No

EPSS 0.0%

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.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:solarwinds:web_help_desk:*:*:*:*:*:*:*:*

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References

Advisories & patches

ADVISORY https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40537 REF https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm

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GitHub PoC

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