CVE-2023-35136 (GCVE-0-2023-35136)

Vulnerability from cvelistv5 – Published: 2023-11-28 01:16 – Updated: 2025-06-05 13:54
VLAI?
Summary
An improper input validation vulnerability in the “Quagga” package of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to access configuration files on an affected device.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-20 - Improper Input Validation
Assigner
References
Impacted products
Vendor Product Version
Zyxel ATP series firmware Affected: versions 4.32 through 5.37
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-35136",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-06-05T13:54:39.314037Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-05T13:54:49.743Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T16:23:59.474Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "ATP series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "versions 4.32 through 5.37"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "USG FLEX series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "versions 4.50 through 5.37"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "USG FLEX 50(W) series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "versions 4.16 through 5.37"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "USG20(W)-VPN series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "versions 4.16 through 5.37"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VPN series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "versions 4.30 through 5.37"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "An improper input validation vulnerability in the \u201cQuagga\u201d package of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to access configuration files on an affected device."
            }
          ],
          "value": "An improper input validation vulnerability in the \u201cQuagga\u201d package of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to access configuration files on an affected device."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20 Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-11-28T02:08:26.895Z",
        "orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
        "shortName": "Zyxel"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
    "assignerShortName": "Zyxel",
    "cveId": "CVE-2023-35136",
    "datePublished": "2023-11-28T01:16:16.723Z",
    "dateReserved": "2023-06-14T06:26:48.563Z",
    "dateUpdated": "2025-06-05T13:54:49.743Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.32\", \"versionEndIncluding\": \"5.37\", \"matchCriteriaId\": \"2A9AF767-1BC2-4160-9FD6-246DD2AD0F18\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"7F7654A1-3806-41C7-82D4-46B0CD7EE53B\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"47398FD0-6C5E-4625-9EFD-DE08C9AB7DB2\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"D68A36FF-8CAF-401C-9F18-94F3A2405CF4\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"2818E8AC-FFEE-4DF9-BF3F-C75166C0E851\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"0B41F437-855B-4490-8011-DF59887BE6D5\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"66B99746-0589-46E6-9CBD-F38619AD97DC\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.50\", \"versionEndIncluding\": \"5.37\", \"matchCriteriaId\": \"03FAEFC8-186B-4B52-869F-DA27224692C0\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"2B30A4C0-9928-46AD-9210-C25656FB43FB\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"D74ABA7E-AA78-4A13-A64E-C44021591B42\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"F93B6A06-2951-46D2-A7E1-103D7318D612\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"646C1F07-B553-47B0-953B-DC7DE7FD0F8B\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"92C697A5-D1D3-4FF0-9C43-D27B18181958\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"110A1CA4-0170-4834-8281-0A3E14FC5584\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"9D1396E3-731B-4D05-A3F8-F3ABB80D5C29\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.16\", \"versionEndIncluding\": \"5.37\", \"matchCriteriaId\": \"0DE544DC-2644-4706-BB80-75B7E16DF4DD\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:usg_20w-vpn:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"6BEA412F-3DA1-4E91-9C74-0666147DABCE\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:vpn50w:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"371CE32A-C28E-44D2-9B0B-D8775928FD0E\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.30\", \"versionEndIncluding\": \"5.37\", \"matchCriteriaId\": \"549A6FE1-25D6-4239-87B6-B729C098C625\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:vpn100:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"81D90A7B-174F-40A1-8AF4-08B15B7BAC40\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:vpn1000:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"EECD311A-4E96-4576-AADF-47291EDE3559\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:vpn300:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"3C45C303-1A95-4245-B242-3AB9B9106CD4\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:vpn50:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"9E3AC823-0ECA-42D8-8312-2FBE5914E4C0\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"An improper input validation vulnerability in the \\u201cQuagga\\u201d package of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to access configuration files on an affected device.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de validaci\\u00f3n de entrada incorrecta en el paquete \\u201cQuagga\\u201d de las versiones de firmware:\\nserie Zyxel ATP 4.32 a 5.37, \\nserie USG FLEX 4.50 a 5.37, \\nserie USG FLEX 50(W) 4.16 a 5.37, USG20(W)-VPN.\\nLas versiones de firmware de la serie 4.16 a 5.37 y las versiones de firmware de la serie VPN 4.30 a 5.37 podr\\u00edan permitir que un atacante local autenticado acceda a los archivos de configuraci\\u00f3n en un dispositivo afectado.\"}]",
      "id": "CVE-2023-35136",
      "lastModified": "2024-11-21T08:08:00.423",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"security@zyxel.com.tw\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
      "published": "2023-11-28T02:15:42.143",
      "references": "[{\"url\": \"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps\", \"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-firewalls-and-aps\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "security@zyxel.com.tw",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"security@zyxel.com.tw\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-20\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-35136\",\"sourceIdentifier\":\"security@zyxel.com.tw\",\"published\":\"2023-11-28T02:15:42.143\",\"lastModified\":\"2024-11-21T08:08:00.423\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An improper input validation vulnerability in the \u201cQuagga\u201d package of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to access configuration files on an affected device.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de validaci\u00f3n de entrada incorrecta en el paquete \u201cQuagga\u201d de las versiones de firmware:\\nserie Zyxel ATP 4.32 a 5.37, \\nserie USG FLEX 4.50 a 5.37, \\nserie USG FLEX 50(W) 4.16 a 5.37, USG20(W)-VPN.\\nLas versiones de firmware de la serie 4.16 a 5.37 y las versiones de firmware de la serie VPN 4.30 a 5.37 podr\u00edan permitir que un atacante local autenticado acceda a los archivos de configuraci\u00f3n en un dispositivo afectado.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@zyxel.com.tw\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security@zyxel.com.tw\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.32\",\"versionEndIncluding\":\"5.37\",\"matchCriteriaId\":\"2A9AF767-1BC2-4160-9FD6-246DD2AD0F18\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F7654A1-3806-41C7-82D4-46B0CD7EE53B\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"47398FD0-6C5E-4625-9EFD-DE08C9AB7DB2\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D68A36FF-8CAF-401C-9F18-94F3A2405CF4\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2818E8AC-FFEE-4DF9-BF3F-C75166C0E851\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B41F437-855B-4490-8011-DF59887BE6D5\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"66B99746-0589-46E6-9CBD-F38619AD97DC\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.50\",\"versionEndIncluding\":\"5.37\",\"matchCriteriaId\":\"03FAEFC8-186B-4B52-869F-DA27224692C0\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2B30A4C0-9928-46AD-9210-C25656FB43FB\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D74ABA7E-AA78-4A13-A64E-C44021591B42\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F93B6A06-2951-46D2-A7E1-103D7318D612\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"646C1F07-B553-47B0-953B-DC7DE7FD0F8B\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"92C697A5-D1D3-4FF0-9C43-D27B18181958\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"110A1CA4-0170-4834-8281-0A3E14FC5584\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9D1396E3-731B-4D05-A3F8-F3ABB80D5C29\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.16\",\"versionEndIncluding\":\"5.37\",\"matchCriteriaId\":\"0DE544DC-2644-4706-BB80-75B7E16DF4DD\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_20w-vpn:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6BEA412F-3DA1-4E91-9C74-0666147DABCE\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:vpn50w:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"371CE32A-C28E-44D2-9B0B-D8775928FD0E\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.30\",\"versionEndIncluding\":\"5.37\",\"matchCriteriaId\":\"549A6FE1-25D6-4239-87B6-B729C098C625\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:vpn100:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"81D90A7B-174F-40A1-8AF4-08B15B7BAC40\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:vpn1000:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EECD311A-4E96-4576-AADF-47291EDE3559\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:vpn300:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3C45C303-1A95-4245-B242-3AB9B9106CD4\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:vpn50:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9E3AC823-0ECA-42D8-8312-2FBE5914E4C0\"}]}]}],\"references\":[{\"url\":\"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps\",\"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-firewalls-and-aps\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T16:23:59.474Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-35136\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-06-05T13:54:39.314037Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-07-26T14:58:01.713Z\"}}], \"cna\": {\"source\": {\"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Zyxel\", \"product\": \"ATP series firmware\", \"versions\": [{\"status\": \"affected\", \"version\": \"versions 4.32 through 5.37\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Zyxel\", \"product\": \"USG FLEX series firmware\", \"versions\": [{\"status\": \"affected\", \"version\": \"versions 4.50 through 5.37\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Zyxel\", \"product\": \"USG FLEX 50(W) series firmware\", \"versions\": [{\"status\": \"affected\", \"version\": \"versions 4.16 through 5.37\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Zyxel\", \"product\": \"USG20(W)-VPN series firmware\", \"versions\": [{\"status\": \"affected\", \"version\": \"versions 4.16 through 5.37\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Zyxel\", \"product\": \"VPN series firmware\", \"versions\": [{\"status\": \"affected\", \"version\": \"versions 4.30 through 5.37\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An improper input validation vulnerability in the \\u201cQuagga\\u201d package of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to access configuration files on an affected device.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"An improper input validation vulnerability in the \\u201cQuagga\\u201d package of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to access configuration files on an affected device.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-20\", \"description\": \"CWE-20 Improper Input Validation\"}]}], \"providerMetadata\": {\"orgId\": \"96e50032-ad0d-4058-a115-4d2c13821f9f\", \"shortName\": \"Zyxel\", \"dateUpdated\": \"2023-11-28T02:08:26.895Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-35136\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-06-05T13:54:49.743Z\", \"dateReserved\": \"2023-06-14T06:26:48.563Z\", \"assignerOrgId\": \"96e50032-ad0d-4058-a115-4d2c13821f9f\", \"datePublished\": \"2023-11-28T01:16:16.723Z\", \"assignerShortName\": \"Zyxel\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.