FKIE_CVE-2025-54321

Vulnerability from fkie_nvd - Published: 2025-11-18 19:15 - Updated: 2025-11-20 19:00
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In Ascertia SigningHub through 8.6.8, there is a lack of rate limiting on the reset password function, leading to an email bombing vulnerability. An authenticated attacker can exploit this by automating reset password requests.
References
cve@mitre.orghttps://github.com/saykino/CVE-2025-54321Third Party Advisory
cve@mitre.orghttps://www.ascertia.com/company/vulnerability-disclosure-policy/Vendor Advisory
Impacted products
Vendor Product Version
ascertia signinghub *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ascertia:signinghub:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "04320C9C-96AC-4A4A-8EEA-27C59A9EDBE7",
              "versionEndIncluding": "8.6.8",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Ascertia SigningHub through 8.6.8, there is a lack of rate limiting on the reset password function, leading to an email bombing vulnerability. An authenticated attacker can exploit this by automating reset password requests."
    }
  ],
  "id": "CVE-2025-54321",
  "lastModified": "2025-11-20T19:00:58.973",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-11-18T19:15:49.043",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/saykino/CVE-2025-54321"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.ascertia.com/company/vulnerability-disclosure-policy/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-799"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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  • 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.
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  • 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.