9.8

CVE-2025-40551

Warnung
Medienbericht

SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability

SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.
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Solarwinds ≫ Web Help Desk Version < 2026.1
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03.02.2026: CISA Known Exploited Vulnerabilities (KEV) Catalog

SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability

Schwachstelle

SolarWinds Web Help Desk contains a deserialization of untrusted data vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.

Beschreibung

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 84.13% 0.997
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
psirt@solarwinds.com 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

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https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm
Release Notes
https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40551
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40551
US Government Resource