SolarWinds Observability Self-Hosted Open Redirection Vulnerability

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-40545
StatePUBLISHED
AssignerSolarWinds
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-11-18 09:15:51 UTC
Updated2026-10-18 20:10:00 UTC
DescriptionSolarWinds Observability Self-Hosted is susceptible to an open redirection vulnerability. The URL is not properly sanitized, and an attacker could manipulate the string to redirect a user to a malicious site. The attack complexity is high, and authentication is required.

Risk And Classification

Primary CVSS: v3.1 4.4 MEDIUM from [email protected]

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

EPSS: 0.002320000 probability, percentile 0.130660000 (date 2026-10-18)

Problem Types: CWE-601 | CWE-601 CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary4.4MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
3.1[email protected]Secondary4.8MEDIUMCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
3.1CNACVSS4.8MEDIUMCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Solarwinds Observability Self-hosted All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA SolarWinds SolarWinds Observability Self-Hosted affected SolarWinds Observability Self-Hosted 2025.4 and prior versions Windows

References

ReferenceSourceLinkTags
documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_202... [email protected] documentation.solarwinds.com Release Notes, Vendor Advisory
www.solarwinds.com/trust-center/security-advisories/CVE-2025-40545 [email protected] www.solarwinds.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Frédéric Goossens (en)

Additional Advisory Data

Solutions

CNA: SolarWinds recommends that customers upgrade to SolarWinds Observability Self-Hosted 2025.4 SR1

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