Vulnerability-Lookup

FKIE_CVE-2022-21221

Vulnerability from fkie_nvd - Published: 2022-03-17 12:15 - Updated: 2026-06-17 04:25

Severity

5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

The package github.com/valyala/fasthttp before 1.34.0 are vulnerable to Directory Traversal via the ServeFile function, due to improper sanitization. It is possible to be exploited by using a backslash %5c character in the path. **Note:** This security issue impacts Windows users only.

References

URL	Tags
report@snyk.io	https://github.com/valyala/fasthttp/commit/15262ecf3c602364639d465daba1e7f3604d00e8	Patch, Third Party Advisory
report@snyk.io	https://github.com/valyala/fasthttp/commit/6b5bc7bb304975147b4af68df54ac214ed2554c1	Patch, Third Party Advisory
report@snyk.io	https://github.com/valyala/fasthttp/issues/1226	Exploit, Issue Tracking, Patch, Third Party Advisory
report@snyk.io	https://github.com/valyala/fasthttp/releases/tag/v1.34.0	Release Notes, Third Party Advisory
report@snyk.io	https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMVALYALAFASTHTTP-2407866	Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/valyala/fasthttp/commit/15262ecf3c602364639d465daba1e7f3604d00e8	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/valyala/fasthttp/commit/6b5bc7bb304975147b4af68df54ac214ed2554c1	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/valyala/fasthttp/issues/1226	Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/valyala/fasthttp/releases/tag/v1.34.0	Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMVALYALAFASTHTTP-2407866	Exploit, Patch, Third Party Advisory

Impacted products

	Vendor	Product	Version
	fasthttp_project	fasthttp	*
	microsoft	windows	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "github.com/valyala/fasthttp",
          "vendor": "n/a",
          "versions": [
            {
              "lessThan": "1.34.0",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "report@snyk.io"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fasthttp_project:fasthttp:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B292937C-1EF2-4FD3-B714-90714DEC82E1",
              "versionEndExcluding": "1.34.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The package github.com/valyala/fasthttp before 1.34.0 are vulnerable to Directory Traversal via the ServeFile function, due to improper sanitization. It is possible to be exploited by using a backslash %5c character in the path. **Note:** This security issue impacts Windows users only."
    },
    {
      "lang": "es",
      "value": "El paquete github.com/valyala/fasthttp versiones anteriores a 1.34.0, es vulnerable a un Salto de Directorio por medio de la funci\u00f3n ServeFile, debido a un saneo inapropiado. Puede explotarse usando un car\u00e1cter de barra invertida %5c en la ruta. **Nota:** Este problema de seguridad afecta \u00fanicamente a usuarios de Windows"
    }
  ],
  "id": "CVE-2022-21221",
  "lastModified": "2026-06-17T04:25:46.757",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "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,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6,
        "source": "report@snyk.io",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-03-17T12:15:08.087",
  "references": [
    {
      "source": "report@snyk.io",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/valyala/fasthttp/commit/15262ecf3c602364639d465daba1e7f3604d00e8"
    },
    {
      "source": "report@snyk.io",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/valyala/fasthttp/commit/6b5bc7bb304975147b4af68df54ac214ed2554c1"
    },
    {
      "source": "report@snyk.io",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/valyala/fasthttp/issues/1226"
    },
    {
      "source": "report@snyk.io",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/valyala/fasthttp/releases/tag/v1.34.0"
    },
    {
      "source": "report@snyk.io",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMVALYALAFASTHTTP-2407866"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/valyala/fasthttp/commit/15262ecf3c602364639d465daba1e7f3604d00e8"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/valyala/fasthttp/commit/6b5bc7bb304975147b4af68df54ac214ed2554c1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/valyala/fasthttp/issues/1226"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/valyala/fasthttp/releases/tag/v1.34.0"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMVALYALAFASTHTTP-2407866"
    }
  ],
  "sourceIdentifier": "report@snyk.io",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2022-21221 (GCVE-0-2022-21221)

Vulnerability from cvelistv5 – Published: 2022-03-17 11:21 – Updated: 2024-09-16 18:34

Title

Directory Traversal

Summary

Severity

5.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CWE

Directory Traversal

Assigner

snyk

References

5 references

URL	Tags
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMVALYALA…	x_refsource_MISC
https://github.com/valyala/fasthttp/issues/1226	x_refsource_MISC
https://github.com/valyala/fasthttp/commit/6b5bc7…	x_refsource_MISC
https://github.com/valyala/fasthttp/commit/15262e…	x_refsource_MISC
https://github.com/valyala/fasthttp/releases/tag/…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	github.com/valyala/fasthttp	Affected: unspecified , < 1.34.0 (custom)

Date Public

2022-03-17 00:00

Credits

egovorukhin

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T02:31:59.051Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMVALYALAFASTHTTP-2407866"
          },
          {
            "tags": [
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            ],
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          },
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            ],
            "url": "https://github.com/valyala/fasthttp/commit/6b5bc7bb304975147b4af68df54ac214ed2554c1"
          },
          {
            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "https://github.com/valyala/fasthttp/commit/15262ecf3c602364639d465daba1e7f3604d00e8"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/valyala/fasthttp/releases/tag/v1.34.0"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "github.com/valyala/fasthttp",
          "vendor": "n/a",
          "versions": [
            {
              "lessThan": "1.34.0",
              "status": "affected",
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              "versionType": "custom"
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          ]
        }
      ],
      "credits": [
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        }
      ],
      "metrics": [
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            "attackComplexity": "HIGH",
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          "url": "https://github.com/valyala/fasthttp/releases/tag/v1.34.0"
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      ],
      "title": "Directory Traversal",
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            "integrityImpact": "NONE",
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  },
  "cveMetadata": {
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    "assignerShortName": "snyk",
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    "datePublished": "2022-03-17T11:21:09.487Z",
    "dateReserved": "2022-02-24T00:00:00.000Z",
    "dateUpdated": "2024-09-16T18:34:58.514Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

Action not permitted

FKIE_CVE-2022-21221

CVE-2022-21221 (GCVE-0-2022-21221)

Tags

Sightings

Nomenclature