{"id":"CVE-2025-54320","aliases":["EUVD-2025-198072","GHSA-6w7j-h94f-mm6r"],"status":"published","title":"In Ascertia SigningHub through 8.6.8, there is a lack of rate limiting on the invite user...","description":"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.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00352,"percentile":0.29248,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-770"],"published":"2025-11-18T00:00:00Z","modified":"2026-11-05T14:10:00Z","exploits":[{"source":"pocgithub","id":"saykino/CVE-2025-54320","title":"saykino/CVE-2025-54320","date":"2025-11-16","url":"https://github.com/saykino/CVE-2025-54320"}],"products":[{"vendor":"ascertia","product":"signinghub"}],"references":[{"url":"https://www.ascertia.com/company/vulnerability-disclosure-policy/","tags":["Vendor Advisory"]},{"url":"https://github.com/saykino/CVE-2025-54320","tags":["Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-54320"},{"url":"https://www.ascertia.com/company/vulnerability-disclosure-policy"},{"url":"https://github.com/advisories/GHSA-6w7j-h94f-mm6r"}],"sources":{"cve":[{"id":"CVE-2025-54320","description":"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.","status":"published","published":"2025-11-18T00:00:00Z","modified":"2025-11-19T13:32:35.878Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:32:27.28543Z"}],"euvd":[{"id":"EUVD-2025-198072","description":"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.","status":"published","published":"2025-11-18T00:00:00Z","modified":"2025-11-19T13:32:35Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T19:49:15.429944Z"}],"ghsa":[{"id":"GHSA-6w7j-h94f-mm6r","title":"In Ascertia SigningHub through 8.6.8, there is a lack of rate limiting on the invite user...","description":"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.","status":"published","published":"2025-11-18T21:32:30Z","modified":"2025-11-19T15:32:41Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:04:53.049342Z"}],"nvd":[{"id":"CVE-2025-54320","description":"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.","status":"published","published":"2025-11-18T19:15:48.88Z","modified":"2026-11-05T14:10:00.273Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-05T19:55:51.56159Z"}]}}