fkie_nvd - fkie_cve-2021-47663

FKIE_CVE-2021-47663

Vulnerability from fkie_nvd - Published: 2025-04-24 10:15 - Updated: 2025-04-29 13:52

Severity ?

8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

Due to improper JSON Web Tokens implementation an unauthenticated remote attacker can guess a valid session ID and therefore impersonate a user to gain full access.

References

	URL	Tags
	info@cert.vde.com	https://www.sciencedirect.com/science/article/pii/S2351978921001657

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Due to improper\u00a0JSON Web Tokens implementation an unauthenticated remote attacker can guess a valid session ID and therefore impersonate a user to gain full access."
    },
    {
      "lang": "es",
      "value": "Debido a una implementaci\u00f3n incorrecta de tokens web JSON, un atacante remoto no autenticado puede adivinar una ID de sesi\u00f3n v\u00e1lida y, por lo tanto, hacerse pasar por un usuario para obtener acceso completo."
    }
  ],
  "id": "CVE-2021-47663",
  "lastModified": "2025-04-29T13:52:47.470",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "info@cert.vde.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-04-24T10:15:16.703",
  "references": [
    {
      "source": "info@cert.vde.com",
      "url": "https://www.sciencedirect.com/science/article/pii/S2351978921001657"
    }
  ],
  "sourceIdentifier": "info@cert.vde.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-613"
        }
      ],
      "source": "info@cert.vde.com",
      "type": "Secondary"
    }
  ]
}

CVE-2021-47663 (GCVE-0-2021-47663)

Vulnerability from cvelistv5 – Published: 2025-04-24 09:25 – Updated: 2025-04-24 15:22

Title

Improper session handling

Summary

Due to improper JSON Web Tokens implementation an unauthenticated remote attacker can guess a valid session ID and therefore impersonate a user to gain full access.

Severity ?

8.1 (High)


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

CWE

CWE-613 - Insufficient Session Expiration

Assigner

CERTVDE

References

URL

Tags

https://www.sciencedirect.com/science/article/pii…

Impacted products

	Vendor	Product	Version
	Franka Robotics	Franka Emika Robot	Affected: 0.0.0 , ≤ 4.0.3 (semver)

Credits

Siegfried Hollerer by TU Wien

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47663",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-24T13:46:29.228655Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-24T15:22:23.071Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Franka Emika Robot",
          "vendor": "Franka Robotics",
          "versions": [
            {
              "lessThanOrEqual": "4.0.3",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Siegfried Hollerer by TU Wien"
        }
      ],
      "descriptions": [
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          "supportingMedia": [
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              "base64": false,
              "type": "text/html",
              "value": "Due to improper\u0026nbsp;JSON Web Tokens implementation an unauthenticated remote attacker can guess a valid session ID and therefore impersonate a user to gain full access."
            }
          ],
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
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          "scenarios": [
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              "lang": "en",
              "value": "GENERAL"
            }
          ]
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-613",
              "description": "CWE-613: Insufficient Session Expiration",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-04-24T09:25:23.807Z",
        "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
        "shortName": "CERTVDE"
      },
      "references": [
        {
          "url": "https://www.sciencedirect.com/science/article/pii/S2351978921001657"
        }
      ],
      "source": {
        "defect": [
          "CERT@VDE#641761"
        ],
        "discovery": "UNKNOWN"
      },
      "title": "Improper session handling",
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        "engine": "Vulnogram 0.1.0-dev"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
    "assignerShortName": "CERTVDE",
    "cveId": "CVE-2021-47663",
    "datePublished": "2025-04-24T09:25:23.807Z",
    "dateReserved": "2025-03-17T08:25:16.736Z",
    "dateUpdated": "2025-04-24T15:22:23.071Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

FKIE_CVE-2021-47663

CVE-2021-47663 (GCVE-0-2021-47663)

Tags

Sightings

Nomenclature