FKIE_CVE-2016-1296

Vulnerability from fkie_nvd - Published: 2016-01-20 05:59 - Updated: 2026-06-17 00:41
Severity
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Summary
The proxy engine on Cisco Web Security Appliance (WSA) devices with software 8.5.3-055, 9.1.0-000, and 9.5.0-235 allows remote attackers to bypass intended proxy restrictions via a malformed HTTP method, aka Bug ID CSCux00848.
References
psirt@cisco.comhttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160119-wsaVendor Advisory
psirt@cisco.comhttp://www.securitytracker.com/id/1034763Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160119-wsaVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1034763Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
cisco web_security_appliance 8.5.3-055
cisco web_security_appliance 9.1.0-000
cisco web_security_appliance 9.5.0-235
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "psirt@cisco.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cisco:web_security_appliance:8.5.3-055:*:*:*:*:*:*:*",
              "matchCriteriaId": "729E3778-4BCA-46C6-AF3D-A2C10CDDB1F1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:web_security_appliance:9.1.0-000:*:*:*:*:*:*:*",
              "matchCriteriaId": "7703E48F-6AAE-42DF-91E4-7205E9A7AD1D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:web_security_appliance:9.5.0-235:*:*:*:*:*:*:*",
              "matchCriteriaId": "3BEBC56B-BC37-4A5C-90D9-D412B978A743",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The proxy engine on Cisco Web Security Appliance (WSA) devices with software 8.5.3-055, 9.1.0-000, and 9.5.0-235 allows remote attackers to bypass intended proxy restrictions via a malformed HTTP method, aka Bug ID CSCux00848."
    },
    {
      "lang": "es",
      "value": "El motor de proxy en dispositivos Cisco Web Security Appliance (WSA) con software 8.5.3-055, 9.1.0-000 y 9.5.0-235 permite a atacantes remotos eludir las restricciones destinadas al proxy a trav\u00e9s de un m\u00e9todo HTTP mal formado, tambi\u00e9n conocido como Bug ID CSCux00848."
    }
  ],
  "id": "CVE-2016-1296",
  "lastModified": "2026-06-17T00:41:40.077",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-01-20T05:59:02.220",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160119-wsa"
    },
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securitytracker.com/id/1034763"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160119-wsa"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securitytracker.com/id/1034763"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-254"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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