« Back to list

CVE-2023-28142

Status: ModifiedHigh (7)—

A Race Condition exists in the Qualys Cloud Agent for Windows platform in versions from 3.1.3.34 and before 4.5.3.1. This allows attackers to escalate privileges limited on the local machine during uninstallation of the Qualys Cloud Agent for Windows. Attackers may gain SYSTEM level privileges on that asset to run arbitrary commands.

At the time of this disclosure, versions before 4.0 are classified as End of Life.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Qualys — Cloud Agent

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2023-28142",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-28142",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-02-10T19:52:01.326887Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "bugreport@qualys.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1
      }
    ]
  },
  "affected": [
    {
      "source": "bugreport@qualys.com",
      "affectedData": [
        {
          "vendor": "Qualys",
          "product": "Cloud Agent",
          "versions": [
            {
              "status": "affected",
              "version": " 3.1.3.34",
              "lessThan": "4.5.3.1",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "Windows"
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2023-04-18T16:15:09.153",
  "references": [
    {
      "url": "https://www.qualys.com/security-advisories/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "bugreport@qualys.com"
    },
    {
      "url": "https://www.qualys.com/security-advisories/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "bugreport@qualys.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "\nA Race Condition exists in the Qualys Cloud Agent for Windows\nplatform in versions from 3.1.3.34 and before 4.5.3.1. This allows attackers to\nescalate privileges limited on the local machine during uninstallation of the\nQualys Cloud Agent for Windows. Attackers may gain SYSTEM level privileges on\nthat asset to run arbitrary commands.\n\n\n\nAt the time of this disclosure, versions before 4.0 are classified as End\nof Life.\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
    }
  ],
  "lastModified": "2026-06-17T05:46:57.473",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:qualys:cloud_agent:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A3C649A1-257A-441A-A11B-33208739DABD",
              "versionEndExcluding": "4.5.3.1",
              "versionStartIncluding": "3.1.3.34"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "bugreport@qualys.com"
}