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ZyxelCVELIST:CVE-2023-4473

HistoryNov 30, 2023 - 1:40 a.m.

CVE-2023-4473

2023-11-3001:40:09

CWE-78

Zyxel

www.cve.org

web server

vulnerability

zyxel nas326

nas542

command injection

firmware

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

30.0%

JSON

A command injection vulnerability in the web 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.

CNA Affected

[
  {
    "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"
      }
    ]
  }
]

References

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/

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

30.0%

JSON

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