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CVE-2020-8258

Status: ModifiedHigh (7.5)—

Improper privilege management on services run by Citrix Gateway Plug-in for Windows, versions before and including 13.0-61.48 and 12.1-58.15, allows an attacker to modify arbitrary files.

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)

Citrix — Gateway Plug-in

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2020-8258",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "support@hackerone.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Citrix Gateway Plug-in for Windows",
          "versions": [
            {
              "status": "affected",
              "version": "Versions before and including 13.0-61.48 and 12.1-58.15"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-12-14T20:15:13.700",
  "references": [
    {
      "url": "https://support.citrix.com/article/CTX282684",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "support@hackerone.com"
    },
    {
      "url": "https://support.citrix.com/article/CTX282684",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "support@hackerone.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper privilege management on services run by Citrix Gateway Plug-in for Windows, versions before and including 13.0-61.48 and 12.1-58.15, allows an attacker to modify arbitrary files."
    },
    {
      "lang": "es",
      "value": "Una administración de privilegios inapropiada en los servicios ejecutados por Citrix Gateway Plug-in para Windows, versiones anteriores e incluyendo 13.0-61.48 y 12.1-58.15, permite a un atacante modificar archivos arbitrarios"
    }
  ],
  "lastModified": "2026-06-17T03:26:08.853",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:citrix:gateway_plug-in:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "14B94F9A-FABE-409C-A322-82D15A7B3144",
              "versionEndIncluding": "12.1-58",
              "versionStartIncluding": "12.0"
            },
            {
              "criteria": "cpe:2.3:a:citrix:gateway_plug-in:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AE5177EB-B6A3-409B-B12D-5A8E91C1B539",
              "versionEndIncluding": "13.0-61.48",
              "versionStartIncluding": "13.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "support@hackerone.com"
}