FKIE_CVE-2024-29976

Vulnerability from fkie_nvd - Published: 2024-06-04 02:15 - Updated: 2026-06-17 07:23
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
** UNSUPPORTED WHEN ASSIGNED ** The improper privilege management vulnerability in the command “show_allsessions” in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an authenticated attacker to obtain a logged-in administrator’s session information containing cookies on an affected device.
References
security@zyxel.com.twhttps://outpost24.com/blog/zyxel-nas-critical-vulnerabilities/Exploit, Third Party Advisory
security@zyxel.com.twhttps://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nas-products-06-04-2024Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://outpost24.com/blog/zyxel-nas-critical-vulnerabilities/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nas-products-06-04-2024Vendor Advisory
Impacted products
Vendor Product Version
zyxel nas326_firmware *
zyxel nas326 -
zyxel nas542_firmware *
zyxel nas542 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "NAS326 firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c V5.21(AAZF.17)C0"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "NAS542 firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c V5.21(ABAG.14)C0"
            }
          ]
        }
      ],
      "source": "security@zyxel.com.tw"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "nas326_firmware",
          "vendor": "zyxel",
          "versions": [
            {
              "lessThanOrEqual": "5.21(aazf.16)c0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:zyxel:nas542_firmware:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "nas542_firmware",
          "vendor": "zyxel",
          "versions": [
            {
              "lessThanOrEqual": "5.21(abag.13)c0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DF437A28-8199-4AB6-9F07-F061994C0D9C",
              "versionEndExcluding": "5.21\\(aazf.17\\)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": "718ACAC1-C0E1-45DF-A23E-7A7F9CCF1373",
              "versionEndExcluding": "5.21\\(abag.14\\)c0",
              "vulnerable": true
            }
          ],
          "negate": false,
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        },
        {
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              "matchCriteriaId": "31C4DD0F-28D0-4BF7-897B-5EEC32AA7277",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [
    {
      "sourceIdentifier": "security@zyxel.com.tw",
      "tags": [
        "unsupported-when-assigned"
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "** UNSUPPORTED WHEN ASSIGNED **\nThe improper privilege management vulnerability in the command \u201cshow_allsessions\u201d in Zyxel NAS326 firmware versions before\u00a0V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0\u00a0could allow an authenticated attacker to obtain a logged-in administrator\u2019s session information containing cookies on an affected device."
    },
    {
      "lang": "es",
      "value": "** NO SOPORTADO CUANDO SE ASIGN\u00d3 ** La vulnerabilidad de administraci\u00f3n de privilegios inadecuada en el comando \u201cshow_allsessions\u201d en las versiones de firmware Zyxel NAS326 anteriores a V5.21(AAZF.17)C0 y versiones de firmware NAS542 anteriores a V5.21(ABAG.14)C0 podr\u00eda permitir una atacante autenticado para obtener informaci\u00f3n de la sesi\u00f3n de un administrador que ha iniciado sesi\u00f3n y que contiene cookies en un dispositivo afectado."
    }
  ],
  "id": "CVE-2024-29976",
  "lastModified": "2026-06-17T07:23:28.657",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "security@zyxel.com.tw",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-29976",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-06-06T04:00:51.315828Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-06-04T02:15:49.050",
  "references": [
    {
      "source": "security@zyxel.com.tw",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://outpost24.com/blog/zyxel-nas-critical-vulnerabilities/"
    },
    {
      "source": "security@zyxel.com.tw",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nas-products-06-04-2024"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://outpost24.com/blog/zyxel-nas-critical-vulnerabilities/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nas-products-06-04-2024"
    }
  ],
  "sourceIdentifier": "security@zyxel.com.tw",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ],
      "source": "security@zyxel.com.tw",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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