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CVE-2016-6603

Estado: ModificadaCrítica (9.8)—

ZOHO WebNMS Framework 5.2 and 5.2 SP1 allows remote attackers to bypass authentication and impersonate arbitrary users via the UserName HTTP header.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Zohocorp — Webnms Framework

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2016-6603",
  "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
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-01-23T21:59:02.313",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/138244/WebNMS-Framework-5.2-SP1-Traversal-Weak-Obfuscation-User-Impersonation.html",
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    {
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    },
    {
      "url": "http://www.securityfocus.com/archive/1/539159/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/92402",
      "tags": [
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    },
    {
      "url": "https://forums.webnms.com/topic/recent-vulnerabilities-in-webnms-and-how-to-protect-the-server-against-them",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/pedrib/PoC/blob/master/advisories/webnms-5.2-sp1-pwn.txt",
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    {
      "url": "http://packetstormsecurity.com/files/138244/WebNMS-Framework-5.2-SP1-Traversal-Weak-Obfuscation-User-Impersonation.html",
      "tags": [
        "Exploit",
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    },
    {
      "url": "http://seclists.org/fulldisclosure/2016/Aug/54",
      "tags": [
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    },
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://blogs.securiteam.com/index.php/archives/2712",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://forums.webnms.com/topic/recent-vulnerabilities-in-webnms-and-how-to-protect-the-server-against-them",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/pedrib/PoC/blob/master/advisories/webnms-5.2-sp1-pwn.txt",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.exploit-db.com/exploits/40229/",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "ZOHO WebNMS Framework 5.2 and 5.2 SP1 allows remote attackers to bypass authentication and impersonate arbitrary users via the UserName HTTP header."
    },
    {
      "lang": "es",
      "value": "ZOHO WebNMS Framework 5.2 y 5.2 SP1 permite a atacantes remotos eludir la autenticación y suplantar usuarios arbitrarios a través del encabezado HTTP UserName."
    }
  ],
  "lastModified": "2026-06-17T00:51:26.440",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:zohocorp:webnms_framework:5.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B943C917-C61B-4F29-AC4D-83D9D505BEA4"
            },
            {
              "criteria": "cpe:2.3:a:zohocorp:webnms_framework:5.2:sp1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "046C8EB2-592F-4D1D-9C53-1C628D6FA903"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}