{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-02T01:22:42.815","vulnerabilities":[{"cve":{"id":"CVE-2023-26430","sourceIdentifier":"security@open-xchange.com","published":"2023-08-02T13:15:10.217","lastModified":"2026-06-17T05:43:19.047","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Attackers with access to user accounts can inject arbitrary control characters to SIEVE mail-filter rules. This could be abused to access SIEVE extension that are not allowed by App Suite or to inject rules which would break per-user filter processing, requiring manual cleanup of such rules. We have added sanitization to all mail-filter APIs to avoid forwardning control characters to subsystems. No publicly available exploits are known.\n\n"},{"lang":"es","value":"Los atacantes con acceso a cuentas de usuario pueden inyectar caracteres de control arbitrarios a las reglas del filtro de correo SIEVE. Esto podría ser abusado para acceder a extensiones de SIEVE que no están permitidas por App Suite o para inyectar reglas que romperían el procesamiento de filtros por usuario, requiriendo la limpieza manual de dichas reglas. Se han añadido desinfección a todas las API del filtro de correo para evitar el reenvío de caracteres de control a los subsistemas. No se conocen exploits disponibles públicamente. "}],"affected":[{"source":"security@open-xchange.com","affectedData":[{"vendor":"OX Software GmbH","product":"OX App Suite","defaultStatus":"unaffected","modules":["backend"],"versions":[{"version":"0","lessThanOrEqual":"7.10.6-rev42","versionType":"semver","status":"affected"},{"version":"0","lessThanOrEqual":"8.10","versionType":"semver","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security@open-xchange.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N","baseScore":3.5,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":1.8,"impactScore":1.4},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2024-10-15T17:09:02.949479Z","id":"CVE-2023-26430","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security@open-xchange.com","type":"Secondary","description":[{"lang":"en","value":"CWE-77"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-77"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:open-xchange:open-xchange_appsuite_backend:7.10.6:*:*:*:*:*:*:*","matchCriteriaId":"D41FD049-C028-4C6D-A9D7-9DD1820B2C5F"},{"vulnerable":true,"criteria":"cpe:2.3:a:open-xchange:open-xchange_appsuite_backend:8.10.0:*:*:*:*:*:*:*","matchCriteriaId":"332D5572-4F7D-498F-9E01-F8555674B4B0"}]}]}],"references":[{"url":"http://packetstormsecurity.com/files/173943/OX-App-Suite-SSRF-SQL-Injection-Cross-Site-Scripting.html","source":"security@open-xchange.com","tags":["Third Party Advisory","VDB Entry"]},{"url":"http://seclists.org/fulldisclosure/2023/Aug/8","source":"security@open-xchange.com","tags":["Mailing List","Third Party Advisory"]},{"url":"https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2023/oxas-adv-2023-0003.json","source":"security@open-xchange.com"},{"url":"https://software.open-xchange.com/products/appsuite/doc/Release_Notes_for_Patch_Release_6230_7.10.6_2023-05-02.pdf","source":"security@open-xchange.com","tags":["Release Notes"]},{"url":"http://packetstormsecurity.com/files/173943/OX-App-Suite-SSRF-SQL-Injection-Cross-Site-Scripting.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]},{"url":"http://seclists.org/fulldisclosure/2023/Aug/8","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2023/oxas-adv-2023-0003.json","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://software.open-xchange.com/products/appsuite/doc/Release_Notes_for_Patch_Release_6230_7.10.6_2023-05-02.pdf","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes"]}]}}]}