CVE-2021-31274 (GCVE-0-2021-31274)

Vulnerability from cvelistv5 – Published: 2021-09-08 17:12 – Updated: 2024-08-03 22:55
VLAI
Summary
In LibreNMS < 21.3.0, a stored XSS vulnerability was identified in the API Access page due to insufficient sanitization of the $api->description variable. As a result, arbitrary Javascript code can get executed.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T22:55:53.692Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-in-the-api-access-page/15431"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/librenms/librenms"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/librenms/librenms/pull/12739"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In LibreNMS \u003c 21.3.0, a stored XSS vulnerability was identified in the API Access page due to insufficient sanitization of the $api-\u003edescription variable. As a result, arbitrary Javascript code can get executed."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-08T17:12:29.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-in-the-api-access-page/15431"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/librenms/librenms"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/librenms/librenms/pull/12739"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-31274",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In LibreNMS \u003c 21.3.0, a stored XSS vulnerability was identified in the API Access page due to insufficient sanitization of the $api-\u003edescription variable. As a result, arbitrary Javascript code can get executed."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-in-the-api-access-page/15431",
              "refsource": "MISC",
              "url": "https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-in-the-api-access-page/15431"
            },
            {
              "name": "https://github.com/librenms/librenms",
              "refsource": "MISC",
              "url": "https://github.com/librenms/librenms"
            },
            {
              "name": "https://github.com/librenms/librenms/pull/12739",
              "refsource": "MISC",
              "url": "https://github.com/librenms/librenms/pull/12739"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-31274",
    "datePublished": "2021-09-08T17:12:29.000Z",
    "dateReserved": "2021-04-15T00:00:00.000Z",
    "dateUpdated": "2024-08-03T22:55:53.692Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-31274",
      "date": "2026-10-03",
      "epss": "0.00778",
      "percentile": "0.54304"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "92A4CE67-074E-4032-9882-B01D20584355",
                  "versionEndExcluding": "21.3.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In LibreNMS \u003c 21.3.0, a stored XSS vulnerability was identified in the API Access page due to insufficient sanitization of the $api-\u003edescription variable. As a result, arbitrary Javascript code can get executed."
        },
        {
          "lang": "es",
          "value": "En LibreNMS versiones anteriores a 21.3.0, se ha identificado una vulnerabilidad de tipo XSS almacenada en la p\u00e1gina de acceso a la API debido a un saneo insuficiente de la variable $api-)description. Como resultado, puede ser ejecutado c\u00f3digo Javascript arbitrario"
        }
      ],
      "id": "CVE-2021-31274",
      "lastModified": "2024-11-21T06:05:23.943",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "LOW",
            "cvssData": {
              "accessComplexity": "MEDIUM",
              "accessVector": "NETWORK",
              "authentication": "SINGLE",
              "availabilityImpact": "NONE",
              "baseScore": 3.5,
              "confidentialityImpact": "NONE",
              "integrityImpact": "PARTIAL",
              "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
              "version": "2.0"
            },
            "exploitabilityScore": 6.8,
            "impactScore": 2.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": true
          }
        ],
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.4,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "LOW",
              "scope": "CHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
              "version": "3.1"
            },
            "exploitabilityScore": 2.3,
            "impactScore": 2.7,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2021-09-08T18:15:10.660",
      "references": [
        {
          "source": "cve@mitre.org",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-in-the-api-access-page/15431"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Product",
            "Third Party Advisory"
          ],
          "url": "https://github.com/librenms/librenms"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Patch",
            "Third Party Advisory"
          ],
          "url": "https://github.com/librenms/librenms/pull/12739"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-in-the-api-access-page/15431"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Product",
            "Third Party Advisory"
          ],
          "url": "https://github.com/librenms/librenms"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch",
            "Third Party Advisory"
          ],
          "url": "https://github.com/librenms/librenms/pull/12739"
        }
      ],
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-79"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "92A4CE67-074E-4032-9882-B01D20584355",
                    "versionEndExcluding": "21.3.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In LibreNMS \u003c 21.3.0, a stored XSS vulnerability was identified in the API Access page due to insufficient sanitization of the $api-\u003edescription variable. As a result, arbitrary Javascript code can get executed."
          },
          {
            "lang": "es",
            "value": "En LibreNMS versiones anteriores a 21.3.0, se ha identificado una vulnerabilidad de tipo XSS almacenada en la p\u00e1gina de acceso a la API debido a un saneo insuficiente de la variable $api-)description. Como resultado, puede ser ejecutado c\u00f3digo Javascript arbitrario"
          }
        ],
        "id": "CVE-2021-31274",
        "lastModified": "2024-11-21T06:05:23.943",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "LOW",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "NONE",
                "baseScore": 3.5,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 6.8,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": true
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.4,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "LOW",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.3,
              "impactScore": 2.7,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2021-09-08T18:15:10.660",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-in-the-api-access-page/15431"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Product",
              "Third Party Advisory"
            ],
            "url": "https://github.com/librenms/librenms"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://github.com/librenms/librenms/pull/12739"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-in-the-api-access-page/15431"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Product",
              "Third Party Advisory"
            ],
            "url": "https://github.com/librenms/librenms"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://github.com/librenms/librenms/pull/12739"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-79"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T14:08:51+00:00",
      "cve": "CVE-2021-31274",
      "id": "CVE-2021-31274",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2021-31274",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-31274.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.



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.