CVE-2026-23767 (GCVE-0-2026-23767)
Vulnerability from cvelistv5
Published
2026-03-05 05:34
Modified
2026-03-06 10:21
Severity ?
CWE
  • CWE-306 - Missing authentication for critical function
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.
Impacted products
Vendor Product Version
Seiko Epson Corporation ESC/POS Version: All products implementing ESC/POS
Create a notification for this product.
Show details on NVD website


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          {
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              "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"
            }
          },
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                "options": [
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                  },
                  {
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                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-06T10:20:45.963541Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        "providerMetadata": {
          "dateUpdated": "2026-03-06T10:21:28.591Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "product": "ESC/POS",
          "vendor": "Seiko Epson Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All products implementing ESC/POS"
            }
          ]
        }
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        }
      ],
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      "references": [
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          "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"
        },
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    "datePublished": "2026-03-05T05:34:40.895Z",
    "dateReserved": "2026-01-16T02:20:20.477Z",
    "dateUpdated": "2026-03-06T10:21:28.591Z",
    "state": "PUBLISHED"
  },
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  "vulnerability-lookup:meta": {
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}


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