Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2024-03-06 10:51

Modified

2026-09-08 08:34

Summary

Discourse secure uploads accessible to guests even when login is required

Details

Discourse is a platform for community discussion. Under very specific circumstances, secure upload URLs associated with posts can be accessed by guest users even when login is required. This vulnerability has been patched in 3.2.0.beta4 and 3.1.4.

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "discourse",
        "purl": "pkg:bitnami/discourse"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.4"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-49099"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*",
      "cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*",
      "cpe:2.3:a:discourse:discourse:3.2.0:beta1:*:*:beta:*:*:*",
      "cpe:2.3:a:discourse:discourse:3.2.0:beta2:*:*:beta:*:*:*",
      "cpe:2.3:a:discourse:discourse:3.2.0:beta3:*:*:beta:*:*:*",
      "cpe:2.3:a:discourse:discourse:*:*:*:*:beta:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "Discourse is a platform for community discussion. Under very specific circumstances, secure upload URLs associated with posts can be accessed by guest users even when login is required. This vulnerability has been patched in 3.2.0.beta4 and 3.1.4.",
  "id": "BIT-discourse-2023-49099",
  "modified": "2026-09-08T08:34:36.952Z",
  "published": "2024-03-06T10:51:30.801Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/discourse/discourse/commit/1b288236387fc0a823e4f15f1aea8dde81b49d53"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/discourse/discourse/security/advisories/GHSA-j67x-x6mq-pwv4"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-49099"
    }
  ],
  "schema_version": "1.5.0",
  "summary": "Discourse secure uploads accessible to guests even when login is required"
}

CVE-2023-49099 (GCVE-0-2023-49099)

Vulnerability from cvelistv5 – Published: 2024-01-12 20:53 – Updated: 2025-06-17 21:09

Title

Discourse secure uploads accessible to guests even when login is required

Summary

Severity

3.1 (Low)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-01-12 21:50 UTC

CWE

CWE-284 - Improper Access Control

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/discourse/discourse/security/a…	x_refsource_CONFIRM
https://github.com/discourse/discourse/commit/1b2…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
discourse	discourse	Affected: < 3.1.4 Affected: >= 3.2.0beta1, < 3.2.0.beta4

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T21:46:29.043Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/discourse/discourse/security/advisories/GHSA-j67x-x6mq-pwv4",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/discourse/discourse/security/advisories/GHSA-j67x-x6mq-pwv4"
          },
          {
            "name": "https://github.com/discourse/discourse/commit/1b288236387fc0a823e4f15f1aea8dde81b49d53",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/discourse/discourse/commit/1b288236387fc0a823e4f15f1aea8dde81b49d53"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-49099",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-01-12T21:50:57.085862Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-17T21:09:17.903Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "discourse",
          "vendor": "discourse",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.1.4"
            },
            {
              "status": "affected",
              "version": "\u003e= 3.2.0beta1, \u003c 3.2.0.beta4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Discourse is a platform for community discussion. Under very specific circumstances, secure upload URLs associated with posts can be accessed by guest users even when login is required. This vulnerability has been patched in 3.2.0.beta4 and 3.1.4."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.1,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284: Improper Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-01-12T20:53:53.163Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/discourse/discourse/security/advisories/GHSA-j67x-x6mq-pwv4",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/discourse/discourse/security/advisories/GHSA-j67x-x6mq-pwv4"
        },
        {
          "name": "https://github.com/discourse/discourse/commit/1b288236387fc0a823e4f15f1aea8dde81b49d53",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/discourse/discourse/commit/1b288236387fc0a823e4f15f1aea8dde81b49d53"
        }
      ],
      "source": {
        "advisory": "GHSA-j67x-x6mq-pwv4",
        "discovery": "UNKNOWN"
      },
      "title": "Discourse secure uploads accessible to guests even when login is required"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-49099",
    "datePublished": "2024-01-12T20:53:53.163Z",
    "dateReserved": "2023-11-21T18:57:30.430Z",
    "dateUpdated": "2025-06-17T21:09:17.903Z",
    "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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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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.

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Vulnerability from bitnami_vulndb

CVE-2023-49099 (GCVE-0-2023-49099)

Tags

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