CVE-2020-36565 (GCVE-0-2020-36565)

Vulnerability from cvelistv5 – Published: 2022-12-07 16:14 – Updated: 2025-04-23 15:38
VLAI?
Title
Directory traversal on Windows in github.com/labstack/echo/v4
Summary
Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read.
Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE 22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
Go
References
Impacted products
Vendor Product Version
github.com/labstack/echo/v4 github.com/labstack/echo/v4 Affected: 0 , < 4.1.18-0.20201215153152-4422e3b66b9f (semver)
Create a notification for this product.
Credits
@little-cui (Apache ServiceComb)
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T17:30:08.318Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/labstack/echo/pull/1718"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://pkg.go.dev/vuln/GO-2021-0051"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2020-36565",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-23T15:38:06.629425Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-23T15:38:30.467Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "github.com/labstack/echo/v4",
          "platforms": [
            "windows"
          ],
          "product": "github.com/labstack/echo/v4",
          "programRoutines": [
            {
              "name": "common.static"
            },
            {
              "name": "Echo.Static"
            },
            {
              "name": "Group.Static"
            }
          ],
          "vendor": "github.com/labstack/echo/v4",
          "versions": [
            {
              "lessThan": "4.1.18-0.20201215153152-4422e3b66b9f",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "@little-cui (Apache ServiceComb)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE 22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-06-12T19:04:06.359Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
        {
          "url": "https://github.com/labstack/echo/pull/1718"
        },
        {
          "url": "https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2021-0051"
        }
      ],
      "title": "Directory traversal on Windows in github.com/labstack/echo/v4"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2020-36565",
    "datePublished": "2022-12-07T16:14:43.946Z",
    "dateReserved": "2022-07-29T18:52:35.508Z",
    "dateUpdated": "2025-04-23T15:38:30.467Z",
    "requesterUserId": "7d08541a-cd0a-42e2-8f81-76e6ceb65fc3",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:labstack:echo:*:*:*:*:*:go:*:*\", \"versionEndExcluding\": \"4.2.0\", \"matchCriteriaId\": \"FA1ABB43-0434-4FBD-B5C4-0417346F426C\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"A2572D17-1DE6-457B-99CC-64AFD54487EA\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read.\"}, {\"lang\": \"es\", \"value\": \"Debido a una sanitizaci\\u00f3n incorrecta de la entrada del usuario en Windows, el controlador de archivos est\\u00e1ticos permite directory traversal, lo que permite a un atacante leer archivos fuera del directorio de destino para los que el servidor tiene permiso de lectura.\"}]",
      "id": "CVE-2020-36565",
      "lastModified": "2024-11-21T05:29:50.960",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 1.4}]}",
      "published": "2022-12-07T17:15:09.910",
      "references": "[{\"url\": \"https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa\", \"source\": \"security@golang.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/labstack/echo/pull/1718\", \"source\": \"security@golang.org\", \"tags\": [\"Exploit\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://pkg.go.dev/vuln/GO-2021-0051\", \"source\": \"security@golang.org\", \"tags\": [\"Release Notes\", \"Vendor Advisory\"]}, {\"url\": \"https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/labstack/echo/pull/1718\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://pkg.go.dev/vuln/GO-2021-0051\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Release Notes\", \"Vendor Advisory\"]}]",
      "sourceIdentifier": "security@golang.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-22\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-36565\",\"sourceIdentifier\":\"security@golang.org\",\"published\":\"2022-12-07T17:15:09.910\",\"lastModified\":\"2025-04-23T16:15:20.650\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read.\"},{\"lang\":\"es\",\"value\":\"Debido a una sanitizaci\u00f3n incorrecta de la entrada del usuario en Windows, el controlador de archivos est\u00e1ticos permite directory traversal, lo que permite a un atacante leer archivos fuera del directorio de destino para los que el servidor tiene permiso de lectura.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:labstack:echo:*:*:*:*:*:go:*:*\",\"versionEndExcluding\":\"4.2.0\",\"matchCriteriaId\":\"FA1ABB43-0434-4FBD-B5C4-0417346F426C\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2572D17-1DE6-457B-99CC-64AFD54487EA\"}]}]}],\"references\":[{\"url\":\"https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa\",\"source\":\"security@golang.org\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/labstack/echo/pull/1718\",\"source\":\"security@golang.org\",\"tags\":[\"Exploit\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://pkg.go.dev/vuln/GO-2021-0051\",\"source\":\"security@golang.org\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/labstack/echo/pull/1718\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://pkg.go.dev/vuln/GO-2021-0051\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://github.com/labstack/echo/pull/1718\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://pkg.go.dev/vuln/GO-2021-0051\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T17:30:08.318Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"LOW\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2020-36565\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-23T15:38:06.629425Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-04-23T15:38:26.067Z\"}}], \"cna\": {\"title\": \"Directory traversal on Windows in github.com/labstack/echo/v4\", \"credits\": [{\"lang\": \"en\", \"value\": \"@little-cui (Apache ServiceComb)\"}], \"affected\": [{\"vendor\": \"github.com/labstack/echo/v4\", \"product\": \"github.com/labstack/echo/v4\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"4.1.18-0.20201215153152-4422e3b66b9f\", \"versionType\": \"semver\"}], \"platforms\": [\"windows\"], \"packageName\": \"github.com/labstack/echo/v4\", \"collectionURL\": \"https://pkg.go.dev\", \"defaultStatus\": \"unaffected\", \"programRoutines\": [{\"name\": \"common.static\"}, {\"name\": \"Echo.Static\"}, {\"name\": \"Group.Static\"}]}], \"references\": [{\"url\": \"https://github.com/labstack/echo/pull/1718\"}, {\"url\": \"https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa\"}, {\"url\": \"https://pkg.go.dev/vuln/GO-2021-0051\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"description\": \"CWE 22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"1bb62c36-49e3-4200-9d77-64a1400537cc\", \"shortName\": \"Go\", \"dateUpdated\": \"2023-06-12T19:04:06.359Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2020-36565\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-04-23T15:38:30.467Z\", \"dateReserved\": \"2022-07-29T18:52:35.508Z\", \"assignerOrgId\": \"1bb62c36-49e3-4200-9d77-64a1400537cc\", \"datePublished\": \"2022-12-07T16:14:43.946Z\", \"requesterUserId\": \"7d08541a-cd0a-42e2-8f81-76e6ceb65fc3\", \"assignerShortName\": \"Go\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.