{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-11-03T14:27:45.992","vulnerabilities":[{"cve":{"id":"CVE-2024-39891","sourceIdentifier":"cve@mitre.org","published":"2024-07-02T18:15:03.447","lastModified":"2026-06-17T07:42:58.630","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Twilio Authy API, accessed by Authy Android before 25.1.0 and Authy iOS before 26.1.0, an unauthenticated endpoint provided access to certain phone-number data, as exploited in the wild in June 2024. Specifically, the endpoint accepted a stream of requests containing phone numbers, and responded with information about whether each phone number was registered with Authy. (Authy accounts were not compromised, however.)"},{"lang":"es","value":"En la API de Twilio Authy, a la que accedían Authy Android antes de la versión 25.1.0 y Authy iOS antes de la versión 26.1.0, un endpoint no autenticado proporcionaba acceso a determinados datos de números de teléfono, como se explotó en junio de 2024. En concreto, el endpoint aceptaba un flujo de solicitudes que contenían números de teléfono y respondía con información sobre si cada número de teléfono estaba registrado en Authy. (Sin embargo, las cuentas de Authy no se vieron comprometidas)."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","affectedData":[{"vendor":"twilio","product":"authy_2-factor_authentication","defaultStatus":"unknown","cpes":["cpe:2.3:a:twilio:authy_2-factor_authentication:*:*:*:*:*:*:*:*"],"versions":[{"version":"0","lessThan":"26.1.0","versionType":"custom","status":"affected"},{"version":"0","lessThan":"25.1.0","versionType":"custom","status":"affected"}]},{"vendor":"twilio","product":"authy_2-factor_authentication","defaultStatus":"unknown","cpes":["cpe:2.3:a:twilio:authy_2-factor_authentication:*:*:*:*:*:*:*:*"],"versions":[{"version":"0","lessThan":"26.1.0","versionType":"custom","status":"affected"},{"version":"0","lessThan":"25.1.0","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"cve@mitre.org","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"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:L/I:N/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2024-07-23T03:55:42.678226Z","id":"CVE-2024-39891","options":[{"exploitation":"active"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"cisaExploitAdd":"2024-07-23","cisaActionDue":"2024-08-13","cisaRequiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","cisaVulnerabilityName":"Twilio Authy Information Disclosure Vulnerability","weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-203"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-203"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:twilio:authy:*:*:*:*:*:iphone_os:*:*","versionEndExcluding":"26.1.0","matchCriteriaId":"F645AEA3-6ACC-4386-ACA9-793E66DBF31E"},{"vulnerable":true,"criteria":"cpe:2.3:a:twilio:authy_authenticator:*:*:*:*:*:android:*:*","versionEndExcluding":"25.1.0","matchCriteriaId":"07B60ED3-2C9B-46F8-9B6C-1FFB46067D06"}]}]}],"references":[{"url":"https://cwe.mitre.org/data/definitions/203.html","source":"cve@mitre.org","tags":["Technical Description"]},{"url":"https://www.bleepingcomputer.com/news/security/hackers-abused-api-to-verify-millions-of-authy-mfa-phone-numbers/","source":"cve@mitre.org","tags":["Press/Media Coverage"]},{"url":"https://www.twilio.com/docs/usage/security/reporting-vulnerabilities","source":"cve@mitre.org","tags":["Product"]},{"url":"https://www.twilio.com/en-us/changelog","source":"cve@mitre.org","tags":["Release Notes"]},{"url":"https://cwe.mitre.org/data/definitions/203.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Technical Description"]},{"url":"https://www.bleepingcomputer.com/news/security/hackers-abused-api-to-verify-millions-of-authy-mfa-phone-numbers/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Press/Media Coverage"]},{"url":"https://www.twilio.com/docs/usage/security/reporting-vulnerabilities","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Product"]},{"url":"https://www.twilio.com/en-us/changelog","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-39891","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["US Government Resource"]}]}}]}