FKIE_CVE-2026-28308

Vulnerability from fkie_nvd - Published: 2026-07-21 16:17 - Updated: 2026-07-21 18:35
Severity
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Summary
SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to remote code execution. Domain administrator access is required. The impact is lower in Windows deployments.
References
psirt@solarwinds.comhttps://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm
psirt@solarwinds.comhttps://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28308
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Serv-U",
          "vendor": "SolarWinds",
          "versions": [
            {
              "status": "affected",
              "version": "15.5.4 HF1 and below"
            }
          ]
        }
      ],
      "source": "psirt@solarwinds.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to remote code execution. Domain administrator access is required. The impact is lower in Windows deployments."
    }
  ],
  "id": "CVE-2026-28308",
  "lastModified": "2026-07-21T18:35:27.267",
  "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": "Primary"
      }
    ]
  },
  "published": "2026-07-21T16:17:08.577",
  "references": [
    {
      "source": "psirt@solarwinds.com",
      "url": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm"
    },
    {
      "source": "psirt@solarwinds.com",
      "url": "https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28308"
    }
  ],
  "sourceIdentifier": "psirt@solarwinds.com",
  "vulnStatus": "Undergoing Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ],
      "source": "psirt@solarwinds.com",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.