FKIE_CVE-2023-35140

Vulnerability from fkie_nvd - Published: 2023-11-07 05:15 - Updated: 2026-06-17 06:04
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Summary
The improper privilege management vulnerability in the Zyxel GS1900-24EP switch firmware version V2.70(ABTO.5) could allow an authenticated local user with read-only access to modify system settings on a vulnerable device.
References
security@zyxel.com.twhttps://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-improper-privilege-management-vulnerability-in-gs1900-series-switchesNot Applicable, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-improper-privilege-management-vulnerability-in-gs1900-series-switchesNot Applicable, Vendor Advisory
Impacted products
Vendor Product Version
zyxel gs1900-48hpv2_firmware *
zyxel gs1900-48hpv2 -
zyxel gs1900-48_firmware *
zyxel gs1900-48 -
zyxel gs1900-24hpv2_firmware *
zyxel gs1900-24hpv2 -
zyxel gs1900-24ep_firmware *
zyxel gs1900-24ep -
zyxel gs1900-24e_firmware *
zyxel gs1900-24e -
zyxel gs1900-24_firmware *
zyxel gs1900-24 -
zyxel gs1900-16_firmware *
zyxel gs1900-16 -
zyxel gs1900-10hp_firmware *
zyxel gs1900-10hp -
zyxel gs1900-8hp_firmware *
zyxel gs1900-8hp -
zyxel gs1900-8_firmware *
zyxel gs1900-8 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "GS1900-24EP firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "V2.70(ABTO.5)"
            }
          ]
        }
      ],
      "source": "security@zyxel.com.tw"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:gs1900-48hpv2_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AA14022B-4409-4725-BB26-2E85DC8BA02A",
              "versionEndIncluding": "2.70\\(abtq.5\\)",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zyxel:gs1900-48hpv2:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "BC74C679-6D22-47E4-AE8A-2647B1AA4276",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:gs1900-48_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1BB5CC06-9693-4951-BB8D-70CAF93C805E",
              "versionEndIncluding": "2.70\\(aahn.5\\)",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zyxel:gs1900-48:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "CFB7D4BF-7D17-48D3-990D-4BADAC8BD868",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:gs1900-24hpv2_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6F9A3EA9-5893-46AC-AECB-DE0A30DD0498",
              "versionEndIncluding": "2.70\\(abtp.5\\)",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zyxel:gs1900-24hpv2:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "512D9A91-8DA7-47F1-AC77-AF743F99BFF3",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:gs1900-24ep_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4C96ECDC-3D00-4AA9-8E72-78ABC672D637",
              "versionEndIncluding": "2.70\\(abto.5\\)",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zyxel:gs1900-24ep:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "B22AA8B1-11E2-408F-A1F6-0F8AF32AB131",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:gs1900-24e_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E14B4311-5435-41DF-B0AC-32156D386D41",
              "versionEndIncluding": "2.70\\(aahk.5\\)",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zyxel:gs1900-24e:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A6456AD6-8A1D-4D3D-AC1A-ABE442242B1B",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:gs1900-24_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EE64CC41-E4E4-4FED-88B9-FEC05FA7B0B6",
              "versionEndIncluding": "2.70\\(aahl.5\\)",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zyxel:gs1900-24:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "F4F55299-70D5-4CE1-A1EC-D79B469B94F7",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:gs1900-16_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8A68FFD4-FEFF-49F0-9091-9B2E5F0C707C",
              "versionEndIncluding": "2.70\\(aahj.5\\)",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zyxel:gs1900-16:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "5078F7A5-D03B-4D3A-9C19-57DFF4D6BF7A",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:gs1900-10hp_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AC5EBAF1-3805-4332-9573-70E119244A71",
              "versionEndIncluding": "2.70\\(aazi.5\\)",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zyxel:gs1900-10hp:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "89201505-07AF-4F9C-9304-46F2707DB9B4",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:gs1900-8hp_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7C6E4B8A-4EC0-4BF6-81FE-40B5AA4B68A8",
              "versionEndIncluding": "2.70\\(aahi.5\\)",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zyxel:gs1900-8hp:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "27602862-EFB7-402B-994E-254A0B210820",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:gs1900-8_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "13BF4CC3-F378-41D6-AAE1-4A5FA9C176C3",
              "versionEndIncluding": "2.70\\(aahh.5\\)",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zyxel:gs1900-8:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "51D33F50-B5A4-4AEF-972C-7FF089C21D52",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The improper privilege management vulnerability in the Zyxel GS1900-24EP switch firmware version\u00a0V2.70(ABTO.5) could allow an authenticated local user with read-only access to modify system settings on a vulnerable device."
    },
    {
      "lang": "es",
      "value": "La vulnerabilidad de administraci\u00f3n de privilegios inadecuada en Zyxel GS1900-24EP switch firmware versi\u00f3n  V2.70 (ABTO.5) podr\u00eda permitir que un usuario local autenticado con acceso de solo lectura modifique la configuraci\u00f3n del sistema en un dispositivo vulnerable."
    }
  ],
  "id": "CVE-2023-35140",
  "lastModified": "2026-06-17T06:04:28.457",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "security@zyxel.com.tw",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-35140",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-04T18:36:49.739422Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-11-07T05:15:12.077",
  "references": [
    {
      "source": "security@zyxel.com.tw",
      "tags": [
        "Not Applicable",
        "Vendor Advisory"
      ],
      "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-improper-privilege-management-vulnerability-in-gs1900-series-switches"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Not Applicable",
        "Vendor Advisory"
      ],
      "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-improper-privilege-management-vulnerability-in-gs1900-series-switches"
    }
  ],
  "sourceIdentifier": "security@zyxel.com.tw",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ],
      "source": "security@zyxel.com.tw",
      "type": "Secondary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.