GHSA-4G8M-5MJ5-C8XG

Vulnerability from github – Published: 2025-05-06 16:38 – Updated: 2025-05-06 19:57
VLAI?
Summary
Umbraco Makes User Enumeration Feasible Based on Timing of Login Response
Details

Impact

Based on an analysis of the timing of post login API responses, it's possible to determine whether an account exists.

Patches

Patched in 10.8.10 and 13.8.1.

Workarounds

None available.

Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Umbraco.Cms"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "11.0.0-rc1"
            },
            {
              "fixed": "13.8.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Umbraco.Cms"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "10.8.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-46736"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-204"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-05-06T16:38:55Z",
    "nvd_published_at": "2025-05-06T17:16:12Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nBased on an analysis of the timing of post login API responses, it\u0027s possible to determine whether an account exists.\n\n### Patches\nPatched in 10.8.10 and 13.8.1.\n\n### Workarounds\nNone available.",
  "id": "GHSA-4g8m-5mj5-c8xg",
  "modified": "2025-05-06T19:57:06Z",
  "published": "2025-05-06T16:38:55Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-4g8m-5mj5-c8xg"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-46736"
    },
    {
      "type": "WEB",
      "url": "https://github.com/umbraco/Umbraco-CMS/commit/14fbd20665b453cbf094ccf4575b79a9fba07e03"
    },
    {
      "type": "WEB",
      "url": "https://github.com/umbraco/Umbraco-CMS/commit/34709be6cce9752dfa767dffbf551305f48839bc"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/umbraco/Umbraco-CMS"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Umbraco Makes User Enumeration Feasible Based on Timing of Login Response"
}


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Sightings

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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.