SolarWinds Serv-U Unauthenticated Denial of Service Vulnerability_CVE-2026-28318

7.5 / 10

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update

Basic Information

ID CVE-2026-28318

Source SolarWinds

Published Jun 4, 2026 at 14:05

Affected Product

Vendor SolarWinds

Product Serv-U

Version 15.5.4 and previous versions

Affected Versions SolarWinds Serv-U 15.5.4 and previous versions

CWE Classification

CWE-400

References

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    "lastseen": "",
    "description": "SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update",
    "published": "2026-06-04T14:05:58.218Z",
    "modified": "2026-06-04T14:05:58.218Z",
    "type": "cve",
    "title": "SolarWinds Serv-U Unauthenticated Denial of Service Vulnerability",
    "source": "SolarWinds",
    "references": "https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28318\nhttps://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-4-hotfix-1_release_notes.htm",
    "id": "CVE-2026-28318",
    "bulletinFamily": "",
    "cwe": [
        "CWE-400"
    ],
    "cvelist": null,
    "sourceData": "SolarWinds Serv-U 15.5.4 and previous versions",
    "sourceHref": "",
    "cvss": {
        "score": 7.5,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Serv-U",
    "version": "15.5.4 and previous versions",
    "vendor": "SolarWinds",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}