FKIE_CVE-2025-40538

Vulnerability from fkie_nvd - Published: 2026-02-24 08:16 - Updated: 2026-02-24 17:51
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
A broken access control vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to create a system admin user and execute arbitrary code as a privileged account via domain admin or group admin privileges. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services frequently run under less-privileged service accounts by default.
References
psirt@solarwinds.comhttps://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-4_release_notes.htmRelease Notes, Vendor Advisory
psirt@solarwinds.comhttps://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40538Vendor Advisory
Impacted products
Vendor Product Version
solarwinds serv-u *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0879DDA2-3F57-41C7-A689-4B904310687E",
              "versionEndExcluding": "15.5.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A broken access control vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to create a system admin user and execute arbitrary code as a privileged account via domain admin or group admin privileges.\n\nThis issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services frequently run under less-privileged service accounts by default."
    },
    {
      "lang": "es",
      "value": "Hay una vulnerabilidad de control de acceso roto en Serv-U que, cuando se explota, le da a un actor malicioso la capacidad de crear un usuario administrador del sistema y ejecutar c\u00f3digo arbitrario como una cuenta privilegiada a trav\u00e9s de privilegios de administrador de dominio o de grupo.\n\nPara explotar este problema es preciso disponer de privilegios de administrador. En implementaciones de Windows, el riesgo se califica como medio porque los servicios con frecuencia se ejecutan bajo cuentas de servicio con menos privilegios por defecto."
    }
  ],
  "id": "CVE-2025-40538",
  "lastModified": "2026-02-24T17:51:27.573",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 6.0,
        "source": "psirt@solarwinds.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-02-24T08:16:27.627",
  "references": [
    {
      "source": "psirt@solarwinds.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-4_release_notes.htm"
    },
    {
      "source": "psirt@solarwinds.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40538"
    }
  ],
  "sourceIdentifier": "psirt@solarwinds.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ],
      "source": "psirt@solarwinds.com",
      "type": "Primary"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.