{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2016-20028",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-16T14:14:43.904998Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-16T14:20:20.449Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ZKTeco ZKBioSecurity",
          "vendor": "ZKTeco Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "3.0.1.0_R_230"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "LiquidWorm as Gjoko Krstic of Zero Science Lab"
        }
      ],
      "datePublic": "2016-08-31T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "ZKTeco ZKBioSecurity 3.0 contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions by tricking logged-in users into visiting malicious websites. Attackers can craft HTTP requests that add superadmin accounts without validity checks, enabling unauthorized administrative access when authenticated users visit attacker-controlled pages."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "LOW",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-352",
              "description": "Cross-Site Request Forgery (CSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-08T15:11:42.142Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "Zero Science Lab Disclosure",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5364.php"
        },
        {
          "name": "CXSecurity",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://cxsecurity.com/issue/WLB-2016080268"
        },
        {
          "name": "IBM X-Force Exchange",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/116477"
        },
        {
          "name": "Packet Storm Security",
          "tags": [
            "exploit"
          ],
          "url": "https://packetstormsecurity.com/files/138569"
        },
        {
          "name": "Reference",
          "tags": [
            "exploit"
          ],
          "url": "https://www.exploit-db.com/exploits/40325/"
        },
        {
          "name": "VulnCheck Advisory: ZKTeco ZKBioSecurity 3.0 Cross-Site Request Forgery Superadmin",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/zkteco-zkbiosecurity-cross-site-request-forgery-superadmin"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "The affected software ZKBioSecurity and ZKAccess have been officially discontinued. It is recommended that users switch to using ZKBio CVSecurity software. ZKBio CVSecurity has fixed these vulnerabilities. It is recommended that customers use the latest version of ZKBio CVSecurity to eliminate risks."
        }
      ],
      "tags": [
        "unsupported-when-assigned"
      ],
      "title": "ZKTeco ZKBioSecurity 3.0 Cross-Site Request Forgery Superadmin",
      "x_generator": {
        "engine": "vulncheck"
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    }
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  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2016-20028",
    "datePublished": "2026-03-15T13:35:23.779Z",
    "dateReserved": "2026-03-15T12:36:51.756Z",
    "dateUpdated": "2026-06-08T15:11:42.142Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}