{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23767", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "state": "PUBLISHED", "assignerShortName": "jpcert", "dateReserved": "2026-01-16T02:20:20.477Z", "datePublished": "2026-03-05T05:34:40.895Z", "dateUpdated": "2026-03-06T10:21:28.591Z"}, "containers": {"cna": {"affected": [{"vendor": "Seiko Epson Corporation", "product": "ESC/POS", "versions": [{"version": "All products implementing ESC/POS", "status": "affected"}]}], "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": [{"description": "Missing authentication for critical function", "lang": "en-US", "cweId": "CWE-306", "type": "CWE"}]}], "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/"}], "providerMetadata": {"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert", "dateUpdated": "2026-03-05T05:34:40.895Z"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-03-06T10:20:45.963541Z", "id": "CVE-2026-23767", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-06T10:21:28.591Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-23767", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-03-06T10:20:45.963541Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-06T10:21:23.132Z"}}], "cna": {"affected": [{"vendor": "Seiko Epson Corporation", "product": "ESC/POS", "versions": [{"status": "affected", "version": "All products implementing ESC/POS"}]}], "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/"}], "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": [{"lang": "en-US", "type": "CWE", "cweId": "CWE-306", "description": "Missing authentication for critical function"}]}], "providerMetadata": {"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert", "dateUpdated": "2026-03-05T05:34:40.895Z"}}}, "cveMetadata": {"cveId": "CVE-2026-23767", "state": "PUBLISHED", "dateUpdated": "2026-03-06T10:21:28.591Z", "dateReserved": "2026-01-16T02:20:20.477Z", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "datePublished": "2026-03-05T05:34:40.895Z", "assignerShortName": "jpcert"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:sb-h50_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "23F0B53B-3A3F-46A7-8951-C61F2D09F342", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:sb-h50:-:*:*:*:*:*:*:*", "matchCriteriaId": "FBFA8123-CD32-4A46-BC55-7EE44872EEC2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-h6000v_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "1D53274A-446F-45BE-B580-1597BF46ABEC", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-h6000v:-:*:*:*:*:*:*:*", "matchCriteriaId": "7CA19657-F5D5-4635-8CEB-2A3C09DF8EE5", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-l100_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "A88AEA71-C821-4C50-B7CD-47F47453B36A", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-l100:-:*:*:*:*:*:*:*", "matchCriteriaId": "9D71D846-6A55-4CDC-9FFA-C5129BB1A385", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-m10_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "62646F66-DD76-4FA2-893A-74F9079083DB", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-m10:-:*:*:*:*:*:*:*", "matchCriteriaId": "05CEE9CC-F67D-48B2-8E91-08EA747FE47B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-m30_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "37ECA6F4-E93C-42E6-8941-A2F07B614F22", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-m30:-:*:*:*:*:*:*:*", "matchCriteriaId": "205C289A-A2DC-4DC4-AC3F-6165C5D94D45", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-m30ii_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "370C10EF-DE91-454D-9D8C-D589C6105C87", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-m30ii:-:*:*:*:*:*:*:*", "matchCriteriaId": "320088E4-B208-4E9B-9ABA-47528F6A44CF", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-m30ii-h_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "A1121F6D-D3D8-4FC9-8995-EDFE1991BB64", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-m30ii-h:-:*:*:*:*:*:*:*", "matchCriteriaId": "C0F46E30-A440-4265-97DC-15D1732B6FC1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-m30ii-s_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "C7228870-2AC6-4FC0-A408-FDBEF16096C5", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-m30ii-s:-:*:*:*:*:*:*:*", "matchCriteriaId": "EEE5A17D-6ABA-4FCC-8334-D581C3C09FD9", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-m30ii-sl_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "368C3E42-9D95-44D8-BF8D-A5478492BDE0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-m30ii-sl:-:*:*:*:*:*:*:*", "matchCriteriaId": "C4E2CF96-A539-44A1-93BA-A89A862BE006", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-m30iii_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "E1E48520-A2B7-43E5-8F32-072A8F048A94", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-m30iii:-:*:*:*:*:*:*:*", "matchCriteriaId": "49BB0499-CE37-4D6F-A583-6AB3029C47EE", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-m30iii-h_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "E697846E-9913-41ED-BEEE-D7D073CE07F3", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-m30iii-h:-:*:*:*:*:*:*:*", "matchCriteriaId": "348E837C-68C0-4D41-BF6B-B104ED03C2FA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-m55_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "1808278B-BA08-4347-98F3-AB7555BF1112", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-m55:-:*:*:*:*:*:*:*", "matchCriteriaId": "08BFC04A-B8B5-49B6-97EB-03BCD723B8A2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-p20ii_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "1140CA18-39F2-41FB-B7C1-933E54D8E7F6", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-p20ii:-:*:*:*:*:*:*:*", "matchCriteriaId": "1C7C48A0-D762-4732-AE44-AA0F86BA1FE9", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-p80ii_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "7418A243-69DB-47D1-9162-3E1139A5C21B", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-p80ii:-:*:*:*:*:*:*:*", "matchCriteriaId": "AD7449DE-00FD-43F5-BB35-B940585DE35A", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-p20_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "9B30904D-0F77-43A1-86F2-928B4F3ECBF7", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-p20:-:*:*:*:*:*:*:*", "matchCriteriaId": "B44CA7A4-0A2D-406C-BD41-A24C79A87761", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-p60ii_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "48967203-6F16-4B19-87EB-B5E2915947E2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-p60ii:-:*:*:*:*:*:*:*", "matchCriteriaId": "3D889AB9-BDA2-405A-BB60-58031FF9DFC3", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-p80_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "A95677C8-867A-419A-ABCB-BBE6FEB3881A", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-p80:-:*:*:*:*:*:*:*", "matchCriteriaId": "376111B4-A9F3-4099-9BB4-627B9BFBD295", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-t20ii_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "BE22522A-F08D-4254-B5B2-DDBBE696AFEA", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-t20ii:-:*:*:*:*:*:*:*", "matchCriteriaId": "9E59284A-62CB-49D5-A763-4133FD5D1C97", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-t20iii_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "983E9338-9C6B-4314-8113-A6551E0E9408", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-t20iii:-:*:*:*:*:*:*:*", "matchCriteriaId": "A977B494-6192-4FD3-B871-C2371D4C2310", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-t88vi_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "2CA6E6AD-F390-41F2-9D66-98D1BF99BBB2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-t88vi:-:*:*:*:*:*:*:*", "matchCriteriaId": "056C570E-B0A3-4A22-9939-906CBE841025", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-t88vi-ihub_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "F79FD491-7D10-42A2-98FC-63764BD815D1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-t88vi-ihub:-:*:*:*:*:*:*:*", "matchCriteriaId": "8A90AC6B-B574-4DC6-B746-96F88C3F26B7", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:tm-t88vii_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "397881F3-431C-495B-9D46-08DDBE5C4248", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:tm-t88vii:-:*:*:*:*:*:*:*", "matchCriteriaId": "62FFDE00-753F-4DD9-8590-FED4F8A911AA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:ub-r04_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "9E19517F-0ACF-4BD6-B907-A625E4A0ED78", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:ub-r04:-:*:*:*:*:*:*:*", "matchCriteriaId": "0521E96D-043E-4AB8-A5CA-973CF6D17D8A", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:ub-e04_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "00876971-8F74-4681-8BB6-E33DE5C3C688", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:ub-e04:-:*:*:*:*:*:*:*", "matchCriteriaId": "9628B2AC-C871-4B59-8572-F6142DD24A42", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "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."}], "id": "CVE-2026-23767", "lastModified": "2026-03-09T18:42:01.070", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-03-05T06:16:22.227", "references": [{"source": "vultures@jpcert.or.jp", "tags": ["Product"], "url": "https://download4.epson.biz/sec_pubs/bs/pdf/IP_Filtering_Guide_en_revA.pdf"}, {"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/ta/JVNTA97995322/"}, {"source": "vultures@jpcert.or.jp", "tags": ["Vendor Advisory"], "url": "https://www.epson.jp/support/misc_t/260305_oshirase.htm"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "vultures@jpcert.or.jp", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "esc_pos", "vendor": "epson"}], "created": "2026-03-06T15:17:47.192740+00:00", "updated": "2026-03-06T15:17:47.192816+00:00", "vendors": ["epson", "epson$PRODUCT$esc_pos"]}