{"id":"CVE-2023-45727","state":"PUBLISHED","title":"Proself Enterprise/Standard Edition Ver5.62 and earlier, Proself Gateway Edition Ver1.65 and earlier, and Proself Mail Sanitize Edition Ver1.08 and earlier allow a remote unauthent","description":"Proself Enterprise/Standard Edition Ver5.62 and earlier, Proself Gateway Edition Ver1.65 and earlier, and Proself Mail Sanitize Edition Ver1.08 and earlier allow a remote unauthenticated attacker to conduct XML External Entity (XXE) attacks. By processing a specially crafted request containing malformed XML data, arbitrary files on the server containing account information may be read by the attacker.","publishedAt":"2023-10-18T09:01:12.285Z","updatedAt":"2025-10-21T23:05:34.245Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"jpcert","products":["North Grid Corporation Proself Enterprise/Standard Edition","North Grid Corporation Proself Gateway Edition","North Grid Corporation Proself Mail Sanitize Edition"],"affected":[{"vendor":"North Grid Corporation","product":"Proself Enterprise/Standard Edition","versions":[{"version":"Ver5.62 and earlier","status":"affected"}]},{"vendor":"North Grid Corporation","product":"Proself Gateway Edition","versions":[{"version":"Ver1.65 and earlier","status":"affected"}]},{"vendor":"North Grid Corporation","product":"Proself Mail Sanitize Edition","versions":[{"version":"Ver1.08 and earlier","status":"affected"}]}],"references":["https://www.proself.jp/information/153/","https://jvn.jp/en/jp/JVN95981460/","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45727"],"weaknesses":["CWE-611"],"ingestedAt":"2026-10-29T20:06:24.729Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/45xxx/CVE-2023-45727.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-45727","state":"PUBLISHED","datePublished":"2023-10-18T09:01:12.285Z","dateUpdated":"2025-10-21T23:05:34.245Z","assignerShortName":"jpcert","assignerOrgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateReserved":"2023-10-11T07:32:42.029Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Proself Enterprise/Standard Edition Ver5.62 and earlier, Proself Gateway Edition Ver1.65 and earlier, and Proself Mail Sanitize Edition Ver1.08 and earlier allow a remote unauthenticated attacker to conduct XML External Entity (XXE) attacks. By processing a specially crafted request containing malformed XML data, arbitrary files on the server containing account information may be read by the attacker."}],"affected":[{"vendor":"North Grid Corporation","product":"Proself Enterprise/Standard Edition","versions":[{"version":"Ver5.62 and earlier","status":"affected"}]},{"vendor":"North Grid Corporation","product":"Proself Gateway Edition","versions":[{"version":"Ver1.65 and earlier","status":"affected"}]},{"vendor":"North Grid Corporation","product":"Proself Mail Sanitize Edition","versions":[{"version":"Ver1.08 and earlier","status":"affected"}]}],"references":[{"url":"https://www.proself.jp/information/153/"},{"url":"https://jvn.jp/en/jp/JVN95981460/"}],"problemTypes":[{"descriptions":[{"description":"XML external entities (XXE)","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"jpcert","orgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateUpdated":"2023-10-18T09:01:12.285Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.proself.jp/information/153/","tags":["x_transferred"]},{"url":"https://jvn.jp/en/jp/JVN95981460/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T20:29:32.421Z"}},{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"northgrid","product":"proself","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"5.62","versionType":"custom"}],"cpes":["cpe:2.3:a:northgrid:proself:-:*:*:*:enterprise:*:*:*"]},{"vendor":"northgrid","product":"proself","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.65","versionType":"custom"}],"cpes":["cpe:2.3:a:northgrid:proself:-:*:*:*:gateway:*:*:*"]},{"vendor":"northgrid","product":"proself","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"5.62","versionType":"custom"}],"cpes":["cpe:2.3:a:northgrid:proself:-:*:*:*:standard:*:*:*"]},{"vendor":"northgrid","product":"proself","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.08","versionType":"custom"}],"cpes":["cpe:2.3:a:northgrid:proself:-:*:*:*:mail_sanitize:*:*:*"]}],"references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45727","tags":["government-resource"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2023-45727","role":"CISA Coordinator","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-12-06T04:55:30.434626Z"}}},{"other":{"type":"kev","content":{"dateAdded":"2024-12-03","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45727"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-611","lang":"en","type":"CWE","description":"CWE-611 Improper Restriction of XML External Entity Reference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-21T23:05:34.245Z"},"timeline":[{"time":"2024-12-03T00:00:00.000Z","lang":"en","value":"CVE-2023-45727 added to CISA KEV"}]}]}}}