CVE-2025-54320

{"id": "CVE-2025-54320", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2025-11-18T19:15:48.880", "references": [{"url": "https://github.com/saykino/CVE-2025-54320", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.ascertia.com/company/vulnerability-disclosure-policy/", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-770"}]}], "descriptions": [{"lang": "en", "value": "In Ascertia SigningHub through 8.6.8, there is a lack of rate limiting on the invite user function, leading to an email bombing vulnerability. An authenticated attacker can exploit this by automating invite requests."}], "lastModified": "2025-11-20T19:02:03.580", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ascertia:signinghub:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "04320C9C-96AC-4A4A-8EEA-27C59A9EDBE7", "versionEndIncluding": "8.6.8"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}