Open Redirect in Solarwinds Observability Self-Hosted
CVE-2025-40545
SolarWinds 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.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (14.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Solarwinds Observability Self-Hosted
- Solarwinds Observability Self-Hosted — versions SolarWinds Observability Self-Hosted 2025.4 and prior versions
Weakness classification (CWE)
References
- www.solarwinds.com/trust-center/security-advisories/CVE-2025-40545 (Vendor Advisory)
- documentation.solarwinds.com/en/success_center/orionplatform/content/release_no… (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-40545?
- CVE-2025-40545 is a medium-severity vulnerability in Solarwinds Observability Self-Hosted, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.8/10. Published 2025-11-18.
- How severe is CVE-2025-40545?
- Medium severity. CVSS v3 base score is 4.8 out of 10.