CVE-2026-23767 (GCVE-0-2026-23767)

Vulnerability from cvelistv5 – Published: 2026-03-05 05:34 – Updated: 2026-03-05 05:34
VLAI?
Summary
ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization, does not provide controls to restrict sources or destinations of network communication, and transmits commands without encryption or integrity protection.
Severity ?
No CVSS data available.
CWE
  • CWE-306 - Missing authentication for critical function
Assigner
Impacted products
Vendor Product Version
Seiko Epson Corporation ESC/POS Affected: All products implementing ESC/POS
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "ESC/POS",
          "vendor": "Seiko Epson Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All products implementing ESC/POS"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization, does not provide controls to restrict sources or destinations of network communication, and transmits commands without encryption or integrity protection."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "Missing authentication for critical function",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-05T05:34:40.895Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://www.epson.jp/support/misc_t/260305_oshirase.htm"
        },
        {
          "url": "https://download4.epson.biz/sec_pubs/bs/pdf/IP_Filtering_Guide_en_revA.pdf"
        },
        {
          "url": "https://jvn.jp/en/ta/JVNTA97995322/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-23767",
    "datePublished": "2026-03-05T05:34:40.895Z",
    "dateReserved": "2026-01-16T02:20:20.477Z",
    "dateUpdated": "2026-03-05T05:34:40.895Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-23767\",\"sourceIdentifier\":\"vultures@jpcert.or.jp\",\"published\":\"2026-03-05T06:16:22.227\",\"lastModified\":\"2026-03-05T19:38:53.383\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization, does not provide controls to restrict sources or destinations of network communication, and transmits commands without encryption or integrity protection.\"}],\"metrics\":{},\"weaknesses\":[{\"source\":\"vultures@jpcert.or.jp\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-306\"}]}],\"references\":[{\"url\":\"https://download4.epson.biz/sec_pubs/bs/pdf/IP_Filtering_Guide_en_revA.pdf\",\"source\":\"vultures@jpcert.or.jp\"},{\"url\":\"https://jvn.jp/en/ta/JVNTA97995322/\",\"source\":\"vultures@jpcert.or.jp\"},{\"url\":\"https://www.epson.jp/support/misc_t/260305_oshirase.htm\",\"source\":\"vultures@jpcert.or.jp\"}]}}"
  }
}


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Sightings

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  • 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.
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  • 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.


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