Vulnerability-Lookup

GHSA-CVV7-F8M3-CJXX

Vulnerability from github – Published: 2026-05-26 13:30 – Updated: 2026-05-26 13:30

Details

A vulnerability was identified in Besen BS20 EV Charging Station up to 20260426. Affected is an unknown function of the component BLE/UDP. The manipulation leads to insufficiently protected credentials. The attack needs to be initiated within the local network. The original disclosure mentions, that "[t]hese vulnerabilities have been reported to Besen and we have received their acknowlegement that they are reviewing this as of April 2026."

Severity

3.5 (Low)


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

2.0 (Low)


                  
                    CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

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{
  "affected": [],
  "aliases": [
    "CVE-2026-9395"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-522"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-24T20:16:44Z",
    "severity": "LOW"
  },
  "details": "A vulnerability was identified in Besen BS20 EV Charging Station up to 20260426. Affected is an unknown function of the component BLE/UDP. The manipulation leads to insufficiently protected credentials. The attack needs to be initiated within the local network. The original disclosure mentions, that \"[t]hese vulnerabilities have been reported to Besen and we have received their acknowlegement that they are reviewing this as of April 2026.\"",
  "id": "GHSA-cvv7-f8m3-cjxx",
  "modified": "2026-05-26T13:30:35Z",
  "published": "2026-05-26T13:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9395"
    },
    {
      "type": "WEB",
      "url": "https://github.com/carfeii/besen#finding-2-cleartext-credential-exposure-via-ble-and-udp-in-besen-home-ev-charging-station"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/813572"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/365376"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/365376/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-9395 (GCVE-0-2026-9395)

Vulnerability from cvelistv5 – Published: 2026-05-24 20:00 – Updated: 2026-05-26 13:20

Title

Besen BS20 EV Charging Station BLE/UDP insufficiently protected credentials

Summary

Severity

5.1 (Medium)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

3.5 (Low)


                        
                          CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

3.5 (Low)


                        
                          CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

CWE

CWE-522 - Insufficiently Protected Credentials

Assigner

VulDB

References

4 references

URL	Tags
https://vuldb.com/vuln/365376	vdb-entry
https://vuldb.com/vuln/365376/cti	signaturepermissions-required
https://vuldb.com/submit/813572	third-party-advisory
https://github.com/carfeii/besen#finding-2-cleart…	related

Impacted products

1 product

Vendor	Product	Version
Besen	BS20 EV Charging Station	Affected: 20260426 cpe:2.3:a:besen:bs20_ev_charging_station::::::::

Credits

carfeii (VulDB User) VulDB CNA Team

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-9395",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-26T13:20:04.970912Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-26T13:20:38.881Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:besen:bs20_ev_charging_station:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "BLE/UDP"
          ],
          "product": "BS20 EV Charging Station",
          "vendor": "Besen",
          "versions": [
            {
              "status": "affected",
              "version": "20260426"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "carfeii (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was identified in Besen BS20 EV Charging Station up to 20260426. Affected is an unknown function of the component BLE/UDP. The manipulation leads to insufficiently protected credentials. The attack needs to be initiated within the local network. The original disclosure mentions, that \"[t]hese vulnerabilities have been reported to Besen and we have received their acknowlegement that they are reviewing this as of April 2026.\""
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 2.7,
            "vectorString": "AV:A/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-522",
              "description": "Insufficiently Protected Credentials",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-24T20:00:11.355Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-365376 | Besen BS20 EV Charging Station BLE/UDP insufficiently protected credentials",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/vuln/365376"
        },
        {
          "name": "VDB-365376 | CTI Indicators (IOB, IOC, TTP)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/365376/cti"
        },
        {
          "name": "Submit #813572 | Besen EV Charging Station BS20 EV Charger Insufficiently Protected Credentials",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/813572"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://github.com/carfeii/besen#finding-2-cleartext-credential-exposure-via-ble-and-udp-in-besen-home-ev-charging-station"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-05-24T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-05-24T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-05-24T08:24:12.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Besen BS20 EV Charging Station BLE/UDP insufficiently protected credentials"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-9395",
    "datePublished": "2026-05-24T20:00:11.355Z",
    "dateReserved": "2026-05-24T06:18:55.457Z",
    "dateUpdated": "2026-05-26T13:20:38.881Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

GHSA-CVV7-F8M3-CJXX

CVE-2026-9395 (GCVE-0-2026-9395)

Tags

Sightings

Nomenclature