{"id":"CVE-2023-50703","state":"PUBLISHED","title":"Cleartext Transmission of Sensitive Information in EFACEC UC 500E","description":"\nAn attacker with network access could perform a man-in-the-middle (MitM) attack and capture sensitive information to gain unauthorized access to the application.\n\n\n\n\n","publishedAt":"2023-12-19T23:40:49.215Z","updatedAt":"2026-02-25T16:34:33.086Z","severity":{"score":6.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","source":"icscert"},"assigner":"icscert","products":["EFACEC UC 500E"],"affected":[{"vendor":"EFACEC","product":"UC 500E","defaultStatus":"unaffected","versions":[{"version":"version 10.1.0","status":"affected"}]}],"references":["https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-03"],"weaknesses":["CWE-319"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/50xxx/CVE-2023-50703.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-50703","state":"PUBLISHED","datePublished":"2023-12-19T23:40:49.215Z","dateUpdated":"2026-02-25T16:34:33.086Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2023-12-11T16:37:13.793Z"},"containers":{"cna":{"title":" Cleartext Transmission of Sensitive Information in EFACEC UC 500E","descriptions":[{"lang":"en","value":"\nAn attacker with network access could perform a man-in-the-middle (MitM) attack and capture sensitive information to gain unauthorized access to the application.\n\n\n\n\n"}],"affected":[{"vendor":"EFACEC","product":"UC 500E","defaultStatus":"unaffected","versions":[{"version":"version 10.1.0","status":"affected"}]}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-03","tags":["government-resource"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-319","description":"CWE-319 Cleartext Transmission of Sensitive Information","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2023-12-19T23:40:49.215Z"},"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Aarón Flecha Menéndez of S21sec"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"\n\n<p>EFACEC has released UC 500E version 10.1.1.</p><p>For more information, contact <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.efacec.pt/en/contacts/\">EFACEC support</a>.</p>\n\n<br>"}],"value":"\nEFACEC has released UC 500E version 10.1.1.\n\nFor more information, contact  EFACEC support https://www.efacec.pt/en/contacts/ .\n\n\n\n\n"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-03","tags":["government-resource","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T22:16:47.115Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-50703","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2024-01-06T05:01:22.900595Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-25T16:34:33.086Z"}}]}}}