{
  "GSD": {
    "alias": "CVE-2021-1486",
    "description": "A vulnerability in Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to enumerate user accounts. This vulnerability is due to the improper handling of HTTP headers. An attacker could exploit this vulnerability by sending authenticated requests to an affected system. A successful exploit could allow the attacker to compare the HTTP responses that are returned by the affected system to determine which accounts are valid user accounts.",
    "id": "GSD-2021-1486"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
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      "details": "A vulnerability in Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to enumerate user accounts. This vulnerability is due to the improper handling of HTTP headers. An attacker could exploit this vulnerability by sending authenticated requests to an affected system. A successful exploit could allow the attacker to compare the HTTP responses that are returned by the affected system to determine which accounts are valid user accounts.",
      "id": "GSD-2021-1486",
      "modified": "2023-12-13T01:23:21.891381Z",
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    }
  },
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        "ASSIGNER": "psirt@cisco.com",
        "DATE_PUBLIC": "2021-05-05T16:00:00",
        "ID": "CVE-2021-1486",
        "STATE": "PUBLIC",
        "TITLE": "Cisco SD-WAN vManage HTTP Authentication User Enumeration Vulnerability"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
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                    "version": {
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                          "version_value": "n/a"
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            "value": "A vulnerability in Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to enumerate user accounts. This vulnerability is due to the improper handling of HTTP headers. An attacker could exploit this vulnerability by sending authenticated requests to an affected system. A successful exploit could allow the attacker to compare the HTTP responses that are returned by the affected system to determine which accounts are valid user accounts."
          }
        ]
      },
      "exploit": [
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          "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory. "
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      "impact": {
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          "baseScore": "5.3",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N ",
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                "value": "CWE-203"
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        "reference_data": [
          {
            "name": "20210505 Cisco SD-WAN vManage HTTP Authentication User Enumeration Vulnerability",
            "refsource": "CISCO",
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-enumeration-64eNnDKy"
          }
        ]
      },
      "source": {
        "advisory": "cisco-sa-vmanage-enumeration-64eNnDKy",
        "defect": [
          [
            "CSCvx21265"
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        "discovery": "INTERNAL"
      }
    },
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                "cpe23Uri": "cpe:2.3:a:cisco:sd-wan_vmanage:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "20.3.3",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "20.4.1",
                "versionStartIncluding": "20.4",
                "vulnerable": true
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            }
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              "name": "20210505 Cisco SD-WAN vManage HTTP Authentication User Enumeration Vulnerability",
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              "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-enumeration-64eNnDKy"
            }
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2023-10-16T16:35Z",
      "publishedDate": "2021-05-06T13:15Z"
    }
  }
}