{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T01:55:49.395","vulnerabilities":[{"cve":{"id":"CVE-2025-27157","sourceIdentifier":"security-advisories@github.com","published":"2025-02-27T17:15:16.867","lastModified":"2025-06-24T15:59:59.633","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Mastodon is a self-hosted, federated microblogging platform. Starting in version 4.2.0 and prior to versions 4.2.16 and 4.3.4, the rate limits are missing on `/auth/setup`. Without those rate limits, an attacker can craft requests that will send an email to an arbitrary addresses. Versions 4.2.16 and 4.3.4 fix the issue."},{"lang":"es","value":"Mastodon es una plataforma de microblogging federada y alojada por el usuario. A partir de la versión 4.2.0 y antes de las versiones 4.2.16 y 4.3.4, faltan los límites de velocidad en `/auth/setup`. Sin esos límites de velocidad, un atacante puede crear solicitudes que envíen un correo electrónico a direcciones arbitrarias. Las versiones 4.2.16 y 4.3.4 solucionan el problema."}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-770"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:joinmastodon:mastodon:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2.0","versionEndExcluding":"4.2.16","matchCriteriaId":"53633344-6503-4CB1-A5AD-3398E3819069"},{"vulnerable":true,"criteria":"cpe:2.3:a:joinmastodon:mastodon:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3.0","versionEndExcluding":"4.3.4","matchCriteriaId":"97C4389D-7EB8-4E02-8DC8-DA1E39429AE9"}]}]}],"references":[{"url":"https://github.com/mastodon/mastodon/commit/06f879ce9bea195344ac9f71e6799eea500628ec","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/mastodon/mastodon/security/advisories/GHSA-v39f-c9jj-8w7h","source":"security-advisories@github.com","tags":["Vendor Advisory"]}]}}]}