GSD-2020-13697

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
An issue was discovered in RouterNanoHTTPD.java in NanoHTTPD through 2.3.1. The GeneralHandler class implements a basic GET handler that prints debug information as an HTML page. Any web server that extends this class without implementing its own GET handler is vulnerable to reflected XSS, because the GeneralHandler GET handler prints user input passed through the query string without any sanitization.
Aliases
Aliases
CVE-2020-13697
To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-13697",
    "description": "An issue was discovered in RouterNanoHTTPD.java in NanoHTTPD through 2.3.1. The GeneralHandler class implements a basic GET handler that prints debug information as an HTML page. Any web server that extends this class without implementing its own GET handler is vulnerable to reflected XSS, because the GeneralHandler GET handler prints user input passed through the query string without any sanitization.",
    "id": "GSD-2020-13697"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-13697"
      ],
      "details": "An issue was discovered in RouterNanoHTTPD.java in NanoHTTPD through 2.3.1. The GeneralHandler class implements a basic GET handler that prints debug information as an HTML page. Any web server that extends this class without implementing its own GET handler is vulnerable to reflected XSS, because the GeneralHandler GET handler prints user input passed through the query string without any sanitization.",
      "id": "GSD-2020-13697",
      "modified": "2023-12-13T01:21:47.215915Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2020-13697",
        "STATE": "PUBLIC"
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      "affects": {
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            "value": "An issue was discovered in RouterNanoHTTPD.java in NanoHTTPD through 2.3.1. The GeneralHandler class implements a basic GET handler that prints debug information as an HTML page. Any web server that extends this class without implementing its own GET handler is vulnerable to reflected XSS, because the GeneralHandler GET handler prints user input passed through the query string without any sanitization."
          }
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            "name": "https://github.com/NanoHttpd/nanohttpd",
            "refsource": "MISC",
            "url": "https://github.com/NanoHttpd/nanohttpd"
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    },
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      "advisories": [
        {
          "affected_range": "(0)",
          "affected_versions": "All versions up to 2.3.1",
          "cvss_v2": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-79",
            "CWE-937"
          ],
          "date": "2021-02-26",
          "description": "An issue was discovered in `RouterNanoHTTPD.java` in NanoHTTPD The `GeneralHandler` class implements a basic GET handler that prints debug information as an HTML page. Any web server that extends this class without implementing its own GET handler is vulnerable to reflected XSS, because the `GeneralHandler` GET handler prints user input passed through the query string without any sanitization.",
          "fixed_versions": [],
          "identifier": "CVE-2020-13697",
          "identifiers": [
            "CVE-2020-13697"
          ],
          "not_impacted": "",
          "package_slug": "maven/org.nanohttpd/nanohttpd-nanolets",
          "pubdate": "2021-02-23",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Cross-site Scripting",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-13697"
          ],
          "uuid": "3e747bb6-324f-4199-8b3d-bfbfe2cf2389"
        },
        {
          "affected_range": "(0)",
          "affected_versions": "None",
          "cvss_v2": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
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          "cwe_ids": [
            "CWE-1035",
            "CWE-79",
            "CWE-937"
          ],
          "date": "2023-07-19",
          "description": "This advisory has been marked as a False Positive and has been removed.",
          "fixed_versions": [],
          "identifier": "CVE-2020-13697",
          "identifiers": [
            "CVE-2020-13697"
          ],
          "not_impacted": "",
          "package_slug": "maven/org.nanohttpd/nanohttpd",
          "pubdate": "2021-02-23",
          "solution": "Nothing to do.",
          "title": "False positive",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-13697"
          ],
          "uuid": "28ed573e-4570-4f03-b4ee-a102f8a6409f"
        }
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    },
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                "cpe23Uri": "cpe:2.3:a:nanohttpd:nanohttpd:*:*:*:*:*:*:*:*",
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                "versionEndIncluding": "2.3.1",
                "vulnerable": true
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        "description": {
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              "value": "An issue was discovered in RouterNanoHTTPD.java in NanoHTTPD through 2.3.1. The GeneralHandler class implements a basic GET handler that prints debug information as an HTML page. Any web server that extends this class without implementing its own GET handler is vulnerable to reflected XSS, because the GeneralHandler GET handler prints user input passed through the query string without any sanitization."
            }
          ]
        },
        "problemtype": {
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              "name": "https://github.com/NanoHttpd/nanohttpd",
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 2.7
        }
      },
      "lastModifiedDate": "2021-02-26T20:54Z",
      "publishedDate": "2021-02-23T08:15Z"
    }
  }
}


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