CVE-2021-41767 (GCVE-0-2021-41767)

Vulnerability from cvelistv5 – Published: 2022-01-11 22:10 – Updated: 2024-08-04 03:15
VLAI
Title
Private tunnel identifier may be included in the non-private details of active connections
Summary
Apache Guacamole 1.3.0 and older may incorrectly include a private tunnel identifier in the non-private details of some REST responses. This may allow an authenticated user who already has permission to access a particular connection to read from or interact with another user's active use of that same connection.
Severity
No CVSS data available.
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 936 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Apache Software Foundation Apache Guacamole Affected: unspecified , ≤ 1.3.0 (custom)
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:15:29.360Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://lists.apache.org/thread/5l31k4jmzdsfz0xt8osrbl878gb3b7ro"
          },
          {
            "name": "[oss-security] 20220111 [SECURITY] CVE-2021-41767: Apache Guacamole: Private tunnel identifier may be included in the non-private details of active connections",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2022/01/11/6"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Apache Guacamole",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "1.3.0",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "We would like to thank Damian Velardo (Australia and New Zealand Banking Group) for reporting this issue."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Apache Guacamole 1.3.0 and older may incorrectly include a private tunnel identifier in the non-private details of some REST responses. This may allow an authenticated user who already has permission to access a particular connection to read from or interact with another user\u0027s active use of that same connection."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "other": "moderate"
            },
            "type": "unknown"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-200",
              "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-01-12T00:06:13.000Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://lists.apache.org/thread/5l31k4jmzdsfz0xt8osrbl878gb3b7ro"
        },
        {
          "name": "[oss-security] 20220111 [SECURITY] CVE-2021-41767: Apache Guacamole: Private tunnel identifier may be included in the non-private details of active connections",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2022/01/11/6"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Private tunnel identifier may be included in the non-private details of active connections",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@apache.org",
          "ID": "CVE-2021-41767",
          "STATE": "PUBLIC",
          "TITLE": "Private tunnel identifier may be included in the non-private details of active connections"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Apache Guacamole",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_value": "1.3.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Apache Software Foundation"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "We would like to thank Damian Velardo (Australia and New Zealand Banking Group) for reporting this issue."
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Apache Guacamole 1.3.0 and older may incorrectly include a private tunnel identifier in the non-private details of some REST responses. This may allow an authenticated user who already has permission to access a particular connection to read from or interact with another user\u0027s active use of that same connection."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": [
          {
            "other": "moderate"
          }
        ],
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://lists.apache.org/thread/5l31k4jmzdsfz0xt8osrbl878gb3b7ro",
              "refsource": "MISC",
              "url": "https://lists.apache.org/thread/5l31k4jmzdsfz0xt8osrbl878gb3b7ro"
            },
            {
              "name": "[oss-security] 20220111 [SECURITY] CVE-2021-41767: Apache Guacamole: Private tunnel identifier may be included in the non-private details of active connections",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2022/01/11/6"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2021-41767",
    "datePublished": "2022-01-11T22:10:11.000Z",
    "dateReserved": "2021-09-28T00:00:00.000Z",
    "dateUpdated": "2024-08-04T03:15:29.360Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-41767",
      "date": "2026-10-12",
      "epss": "0.01933",
      "percentile": "0.79489"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "product": "Apache Guacamole",
                "vendor": "Apache Software Foundation",
                "versions": [
                  {
                    "lessThanOrEqual": "1.3.0",
                    "status": "affected",
                    "version": "unspecified",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "source": "security@apache.org"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:apache:guacamole:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F3A733CC-43E3-4A1C-BF40-54C1113B8B5C",
                    "versionEndIncluding": "1.3.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Apache Guacamole 1.3.0 and older may incorrectly include a private tunnel identifier in the non-private details of some REST responses. This may allow an authenticated user who already has permission to access a particular connection to read from or interact with another user\u0027s active use of that same connection."
          },
          {
            "lang": "es",
            "value": "Apache Guacamole versiones 1.3.0 y anteriores, pueden incluir incorrectamente un identificador de t\u00fanel privado en los detalles no privados de algunas respuestas REST. Esto puede permitir que un usuario autenticado que ya presenta permiso para acceder a una conexi\u00f3n particular lea o interact\u00fae con el uso activo de otro usuario de esa misma conexi\u00f3n"
          }
        ],
        "id": "CVE-2021-41767",
        "lastModified": "2026-06-17T04:08:53.227",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "NONE",
                "baseScore": 4.0,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 8.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2022-01-11T22:15:07.570",
        "references": [
          {
            "source": "security@apache.org",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2022/01/11/6"
          },
          {
            "source": "security@apache.org",
            "tags": [
              "Mailing List",
              "Vendor Advisory"
            ],
            "url": "https://lists.apache.org/thread/5l31k4jmzdsfz0xt8osrbl878gb3b7ro"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2022/01/11/6"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Vendor Advisory"
            ],
            "url": "https://lists.apache.org/thread/5l31k4jmzdsfz0xt8osrbl878gb3b7ro"
          }
        ],
        "sourceIdentifier": "security@apache.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-200"
              }
            ],
            "source": "security@apache.org",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-200"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T13:28:34+00:00",
      "cve": "CVE-2021-41767",
      "id": "CVE-2021-41767",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Private tunnel identifier may be included in the non-private details of active connections",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-41767.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

Loading…

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…