Vulnerability Details CVE-2023-4474
The improper neutralization of special elements 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 unauthenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.297
EPSS Ranking 98.2%
CVSS Severity
CVSS v3 Score 9.8
References
- https://bugprove.com/knowledge-hub/cve-2023-4473-and-cve-2023-4474-authentication-bypass-and-multiple-blind-os-command-injection-vulnerabilities-in-zyxel-s-nas-326-devices/
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products
- https://bugprove.com/knowledge-hub/cve-2023-4473-and-cve-2023-4474-authentication-bypass-and-multiple-blind-os-command-injection-vulnerabilities-in-zyxel-s-nas-326-devices/
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products
Products affected by CVE-2023-4474
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cpe:2.3:h:zyxel:nas326:-
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cpe:2.3:h:zyxel:nas542:-
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cpe:2.3:o:zyxel:nas326_firmware:-
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cpe:2.3:o:zyxel:nas326_firmware:5.21
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cpe:2.3:o:zyxel:nas326_firmware:5.21(aazf.10)c0
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cpe:2.3:o:zyxel:nas326_firmware:5.21(aazf.12)c0
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cpe:2.3:o:zyxel:nas326_firmware:5.21(aazf.13)c0
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cpe:2.3:o:zyxel:nas326_firmware:5.21(aazf.14)c0
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cpe:2.3:o:zyxel:nas326_firmware:5.21(aazf.7)c0
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cpe:2.3:o:zyxel:nas542_firmware:-
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cpe:2.3:o:zyxel:nas542_firmware:5.21(abag.10)c0
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cpe:2.3:o:zyxel:nas542_firmware:5.21(abag.11)c0
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cpe:2.3:o:zyxel:nas542_firmware:5.21(abag.4)c0
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cpe:2.3:o:zyxel:nas542_firmware:5.21(abag.7)c0
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cpe:2.3:o:zyxel:nas542_firmware:5.21(abag.9)c0