CVE-2023-37928

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "NAS326 firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "V5.21(AAZF.14)C0"}]}, {"defaultStatus": "unaffected", "product": "NAS542 firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "V5.21(ABAG.11)C0"}]}], "source": "security@zyxel.com.tw"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "897157F4-9F3E-4F03-91DF-6223C1BAA451", "versionEndIncluding": "5.21\\(aazf.14\\)c0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:nas326:-:*:*:*:*:*:*:*", "matchCriteriaId": "E0A01B19-4A91-4FBC-8447-2E854346DAC5", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:nas542_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "0A0D05F3-0FBD-43D0-8041-2AAF822B83C5", "versionEndIncluding": "5.21\\(abag.11\\)c0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:nas542:-:*:*:*:*:*:*:*", "matchCriteriaId": "31C4DD0F-28D0-4BF7-897B-5EEC32AA7277", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A post-authentication command injection vulnerability in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device."}, {"lang": "es", "value": "Una vulnerabilidad de inyecci\u00f3n de comando posterior a la autenticaci\u00f3n en el servidor WSGI de la versi\u00f3n de firmware V5.21(AAZF.14)C0 de Zyxel NAS326 y la versi\u00f3n de firmware NAS542 V5.21(ABAG.11)C0 podr\u00eda permitir que un atacante autenticado ejecute alg\u00fan sistema operativo ( OS) enviando una URL manipulada a un dispositivo vulnerable."}], "id": "CVE-2023-37928", "lastModified": "2026-06-17T06:08:55.363", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security@zyxel.com.tw", "type": "Secondary"}]}, "published": "2023-11-30T02:15:43.137", "references": [{"source": "security@zyxel.com.tw", "url": "https://bugprove.com/knowledge-hub/cve-2023-37927-and-cve-2023-37928-multiple-post-auth-blind-os-command-and-python-code-injection-vulnerabilities-in-zyxel-s-nas-326-devices/"}, {"source": "security@zyxel.com.tw", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugprove.com/knowledge-hub/cve-2023-37927-and-cve-2023-37928-multiple-post-auth-blind-os-command-and-python-code-injection-vulnerabilities-in-zyxel-s-nas-326-devices/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products"}], "sourceIdentifier": "security@zyxel.com.tw", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "security@zyxel.com.tw", "type": "Secondary"}]}

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