CVE-2025-40553

Published Jan 28, 2026

Last updated 24 days ago

CVSS critical 9.8

Supply chain

Overview

Description: 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.
Source: psirt@solarwinds.com
NVD status: Modified
Products: web_help_desk

Risk scores

CVSS 3.1

Type: Secondary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

Weaknesses

psirt@solarwinds.com: CWE-502

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:solarwinds:web_help_desk:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "F7CADB33-214C-441A-BB62-64811EBBEB29",
            "versionEndExcluding": "2026.1",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ]
  }
]

References

Sources include official advisories and independent security research.

Overview

Risk scores

CVSS 3.1

Weaknesses

Social media

Configurations

Related CVEs

References