certfr_avis - CERTFR-2023-AVI-0158

CERTFR-2023-AVI-0158

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité a été découverte dans les routeurs 4G Zyxel. Elle permet à un attaquant de provoquer un contournement de la politique de sécurité.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

	Vendor	Product	Description
	N/A	N/A	LTE3316-M604 avec un microgiciel de versions antérieures à V2.00(ABMP.7)C0
	N/A	N/A	LTE3202-M437 avec un microgiciel de versions antérieures à V1.00(ABWF.2)C0

References

Title

Publication Time

Tags

Bulletin de sécurité Zyxel CVE-2023-22920 du 22 février 2023

None

vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "LTE3316-M604 avec un microgiciel de versions ant\u00e9rieures \u00e0 V2.00(ABMP.7)C0",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "N/A",
          "scada": false
        }
      }
    },
    {
      "description": "LTE3202-M437 avec un microgiciel de versions ant\u00e9rieures \u00e0 V1.00(ABWF.2)C0",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "N/A",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
  "cves": [
    {
      "name": "CVE-2023-22920",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-22920"
    }
  ],
  "links": [],
  "reference": "CERTFR-2023-AVI-0158",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2023-02-22T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans les routeurs 4G Zyxel. Elle\npermet \u00e0 un attaquant de provoquer un contournement de la politique de\ns\u00e9curit\u00e9.\n",
  "title": "Vuln\u00e9rabilit\u00e9 dans les routeurs 4G Zyxel",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Zyxel CVE-2023-22920 du 22 f\u00e9vrier 2023",
      "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-security-misconfiguration-vulnerability-of-4g-lte-indoor-routers"
    }
  ]
}

CVE-2023-22920 (GCVE-0-2023-22920)

Vulnerability from cvelistv5 – Published: 2023-02-21 00:00 – Updated: 2025-03-12 14:35

Summary

A security misconfiguration vulnerability exists in the Zyxel LTE3316-M604 firmware version V2.00(ABMP.6)C0 due to a factory default misconfiguration intended for testing purposes. A remote attacker could leverage this vulnerability to access an affected device using Telnet.

Severity ?

9.8 (Critical)


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

CWE

CWE-284 - Improper Access Control

Assigner

Zyxel

References

URL

Tags

https://www.zyxel.com/global/en/support/security-…

Impacted products

	Vendor	Product	Version
	Zyxel	LTE3316-M604	Affected: V2.00(ABMP.6)C0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T10:20:31.430Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-security-misconfiguration-vulnerability-of-4g-lte-indoor-routers"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-22920",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-12T14:34:23.719581Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-12T14:35:22.085Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "LTE3316-M604",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "V2.00(ABMP.6)C0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A security misconfiguration vulnerability exists in the Zyxel LTE3316-M604 firmware version V2.00(ABMP.6)C0 due to a factory default misconfiguration intended for testing purposes. A remote attacker could leverage this vulnerability to access an affected device using Telnet."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284: Improper Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-02-21T00:00:00.000Z",
        "orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
        "shortName": "Zyxel"
      },
      "references": [
        {
          "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-security-misconfiguration-vulnerability-of-4g-lte-indoor-routers"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
    "assignerShortName": "Zyxel",
    "cveId": "CVE-2023-22920",
    "datePublished": "2023-02-21T00:00:00.000Z",
    "dateReserved": "2023-01-10T00:00:00.000Z",
    "dateUpdated": "2025-03-12T14:35:22.085Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

CERTFR-2023-AVI-0158

Solution

CVE-2023-22920 (GCVE-0-2023-22920)

Tags

Sightings

Nomenclature