FKIE_CVE-2020-3926

Vulnerability from fkie_nvd - Published: 2020-02-03 11:15 - Updated: 2024-11-21 05:31
Severity ?
6.1 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
An arbitrary-file-access vulnerability exists in ServiSign security plugin, as long as the attackers learn the specific API function, they may access arbitrary files on target system via crafted API parameter.
References
twcert@cert.org.twhttps://tvn.twcert.org.tw/taiwanvn/TVN-201910006Third Party Advisory
twcert@cert.org.twhttps://www.chtsecurity.com/news/1179d48b-7609-4f67-9d7e-3bac2979c6ceThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://tvn.twcert.org.tw/taiwanvn/TVN-201910006Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.chtsecurity.com/news/1179d48b-7609-4f67-9d7e-3bac2979c6ceThird Party Advisory
Impacted products
Vendor Product Version
changingtec servisign *
microsoft windows -
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:changingtec:servisign:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8806BFD5-AF23-418C-978B-206504623B44",
              "versionEndIncluding": "1.0.19.0617",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An arbitrary-file-access vulnerability exists in ServiSign security plugin, as long as the attackers learn the specific API function, they may access arbitrary files on target system via crafted API parameter."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de acceso a archivos arbitrarios en el plugin de seguridad de ServiSign, siempre que los atacantes aprendan la funci\u00f3n de la API espec\u00edfica, pueden acceder a archivos arbitrarios en el sistema de destino por medio de par\u00e1metros de la API dise\u00f1ados."
    }
  ],
  "id": "CVE-2020-3926",
  "lastModified": "2024-11-21T05:31:58.370",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 7.8,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 4.0,
        "source": "twcert@cert.org.tw",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-02-03T11:15:12.633",
  "references": [
    {
      "source": "twcert@cert.org.tw",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://tvn.twcert.org.tw/taiwanvn/TVN-201910006"
    },
    {
      "source": "twcert@cert.org.tw",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.chtsecurity.com/news/1179d48b-7609-4f67-9d7e-3bac2979c6ce"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://tvn.twcert.org.tw/taiwanvn/TVN-201910006"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.chtsecurity.com/news/1179d48b-7609-4f67-9d7e-3bac2979c6ce"
    }
  ],
  "sourceIdentifier": "twcert@cert.org.tw",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-552"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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