CVE-2023-36144 (GCVE-0-2023-36144)

Vulnerability from cvelistv5 – Published: 2023-06-30 00:00 – Updated: 2026-07-05 00:22
VLAI Shadowserver KEVIntel
Summary
An authentication bypass in Intelbras Switch SG 2404 MR in firmware 1.00.54 allows an unauthenticated attacker to download the backup file of the device, exposing critical information about the device configuration.
Severity
No CVSS data available.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • n/a
Assigner
References
Impacted products
Vendor Product Version
intelbras sg_2404_mr Affected: 1.00.54
    cpe:2.3:h:intelbras:sg_2404_mr:-:*:*:*:*:*:*:*
 Create a notification for this product.
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 73733f27-e31d-449a-86e5-7398a18770d3

Vulnerability ID: CVE-2023-36144

Status: Confirmed

Status Updated: 2026-06-30 00:00 UTC

Exploited: Yes

Characteristics
Severity: 75.0
Timestamps
First Seen: 2025-05-09
Asserted: 2025-05-09
Last Seen: 2026-06-30
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Intelbras / Intelbras Switch SG 2404 MR | Class: router | Severity: High (CVSS 7.5) | IoT: no | In CISA KEV: no | Honeypot connections on 2026-06-30: 1
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class router
7D Avg 1
Vendor Intelbras
30D Avg 6
90D Avg 2
Product Intelbras Switch SG 2404 MR
Cisa Kev no
Connections 1
Observation Date 2026-06-30
Vulnerability Class CVSS
Vulnerability Score 7.5
Vulnerability Severity High
References
Created: 2026-06-30 09:23 UTC | Updated: 2026-07-02 01:02 UTC
KEVIntel
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 7c2232f8-f5a4-4018-b966-22d25c10fc1d

Vulnerability ID: CVE-2023-36144

Status: Confirmed

Status Updated: 2025-07-31 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-07-31
Asserted: 2025-07-31
Scope
Notes: KEVIntel entry: An authentication bypass in Intelbras Switch SG 2404 MR in firmware 1.00.54 allows an unauthenticated attacker to download the backup file of the... | Affected: Intelbras / Switch SG 2404 MR | CVSS: 7.5 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title An authentication bypass in Intelbras Switch SG 2404 MR in firmware 1.00.54 allows an unauthenticated attacker to download the backup file of the...
Vendor Intelbras
Product Switch SG 2404 MR
Added Date 2025-07-31T00:00:00.000Z
Cvss Score 7.5
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-06-23 14:03 UTC | Updated: 2026-06-23 14:03 UTC
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T16:37:41.319Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://intelbras.com"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/leonardobg/CVE-2023-36144"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:h:intelbras:sg_2404_mr:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "sg_2404_mr",
            "vendor": "intelbras",
            "versions": [
              {
                "status": "affected",
                "version": "1.00.54"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-36144",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-27T15:33:38.153254Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-27T15:34:32.206Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An authentication bypass in Intelbras Switch SG 2404 MR in firmware 1.00.54 allows an unauthenticated attacker to download the backup file of the device, exposing critical information about the device configuration."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-05T00:22:46.103Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/leonardobg/CVE-2023-36144"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2023-36144",
    "datePublished": "2023-06-30T00:00:00.000Z",
    "dateReserved": "2023-06-21T00:00:00.000Z",
    "dateUpdated": "2026-07-05T00:22:46.103Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-36144",
      "date": "2026-07-05",
      "epss": "0.39723",
      "percentile": "0.98445"
    },
    "fkie_nvd": {
      "configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:intelbras:sg_2404_mr_firmware:1.00.54:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"14756311-AB06-4EC0-B73E-C68F9E5DF2B5\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:intelbras:sg_2404_mr:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"B3EDC560-366C-46A2-AE4A-34FB9C7A5FE1\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"An authentication bypass in Intelbras Switch SG 2404 MR in firmware 1.00.54 allows an unauthenticated attacker to download the backup file of the device, exposing critical information about the device configuration.\"}]",
      "id": "CVE-2023-36144",
      "lastModified": "2024-11-21T08:09:21.487",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.6}]}",
      "published": "2023-06-30T23:15:10.223",
      "references": "[{\"url\": \"http://intelbras.com\", \"source\": \"cve@mitre.org\", \"tags\": [\"Product\"]}, {\"url\": \"https://github.com/leonardobg/CVE-2023-36144\", \"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\"]}, {\"url\": \"http://intelbras.com\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Product\"]}, {\"url\": \"https://github.com/leonardobg/CVE-2023-36144\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\"]}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-862\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-36144\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2023-06-30T23:15:10.223\",\"lastModified\":\"2026-07-05T01:18:41.533\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An authentication bypass in Intelbras Switch SG 2404 MR in firmware 1.00.54 allows an unauthenticated attacker to download the backup file of the device, exposing critical information about the device configuration.\"}],\"affected\":[{\"source\":\"cve@mitre.org\",\"affectedData\":[{\"vendor\":\"n/a\",\"product\":\"n/a\",\"versions\":[{\"version\":\"n/a\",\"status\":\"affected\"}]}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"affectedData\":[{\"vendor\":\"intelbras\",\"product\":\"sg_2404_mr\",\"defaultStatus\":\"unknown\",\"cpes\":[\"cpe:2.3:h:intelbras:sg_2404_mr:-:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"1.00.54\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-11-27T15:33:38.153254Z\",\"id\":\"CVE-2023-36144\",\"options\":[{\"exploitation\":\"poc\"},{\"automatable\":\"yes\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-862\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:intelbras:sg_2404_mr_firmware:1.00.54:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"14756311-AB06-4EC0-B73E-C68F9E5DF2B5\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:intelbras:sg_2404_mr:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B3EDC560-366C-46A2-AE4A-34FB9C7A5FE1\"}]}]}],\"references\":[{\"url\":\"https://github.com/leonardobg/CVE-2023-36144\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\"]},{\"url\":\"http://intelbras.com\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Product\"]},{\"url\":\"https://github.com/leonardobg/CVE-2023-36144\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"http://intelbras.com\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/leonardobg/CVE-2023-36144\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T16:37:41.319Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-36144\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-11-27T15:33:38.153254Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:h:intelbras:sg_2404_mr:-:*:*:*:*:*:*:*\"], \"vendor\": \"intelbras\", \"product\": \"sg_2404_mr\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.00.54\"}], \"defaultStatus\": \"unknown\"}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-11-27T15:34:19.329Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"n/a\", \"product\": \"n/a\", \"versions\": [{\"status\": \"affected\", \"version\": \"n/a\"}]}], \"references\": [{\"url\": \"https://github.com/leonardobg/CVE-2023-36144\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An authentication bypass in Intelbras Switch SG 2404 MR in firmware 1.00.54 allows an unauthenticated attacker to download the backup file of the device, exposing critical information about the device configuration.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"n/a\"}]}], \"providerMetadata\": {\"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\", \"dateUpdated\": \"2026-07-05T00:22:46.103Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-36144\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-05T00:22:46.103Z\", \"dateReserved\": \"2023-06-21T00:00:00.000Z\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"datePublished\": \"2023-06-30T00:00:00.000Z\", \"assignerShortName\": \"mitre\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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.


Detection rules are retrieved from Rulezet.