{"id":"CVE-2023-45727","aliases":["EUVD-2023-50016","GHSA-m745-jcvj-8cx6"],"status":"published","title":"Proself Enterprise/Standard Edition Ver5.62 and earlier, Proself Gateway Edition Ver1.65 and...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.04822,"percentile":0.92092,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-611"],"published":"2023-10-18T09:01:12Z","modified":"2026-06-17T06:29:25Z","kev":{"date_added":"2024-12-03","due_date":"2024-12-24","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2024-12-03"},{"source":"kev","since":"2024-12-03"}],"products":[{"vendor":"north grid","product":"proself"},{"vendor":"north grid corporation","product":"proself enterprise/standard edition"},{"vendor":"north grid corporation","product":"proself gateway edition"},{"vendor":"north grid corporation","product":"proself mail sanitize edition"},{"vendor":"northgrid","product":"proself"}],"references":[{"url":"https://www.proself.jp/information/153/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/jp/JVN95981460/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45727","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-45727"},{"url":"https://jvn.jp/en/jp/JVN95981460"},{"url":"https://www.proself.jp/information/153"},{"url":"https://github.com/advisories/GHSA-m745-jcvj-8cx6"}],"sources":{"cve":[{"id":"CVE-2023-45727","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.","status":"published","published":"2023-10-18T09:01:12.285Z","modified":"2025-10-21T23:05:34.245Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:35:22.640346Z"}],"euvd":[{"id":"EUVD-2023-50016","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.","status":"published","published":"2023-10-18T09:01:12Z","modified":"2025-10-21T23:05:34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"exploited_since":"2024-12-03","updated_at":"2026-11-02T20:31:27.312976Z"}],"ghsa":[{"id":"GHSA-m745-jcvj-8cx6","title":"Proself Enterprise/Standard Edition Ver5.62 and earlier, Proself Gateway Edition Ver1.65 and...","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.","status":"published","published":"2023-10-18T12:30:20Z","modified":"2025-10-22T00:32:52Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T15:04:07.112106Z"}],"kev":[{"id":"CVE-2023-45727","title":"North Grid Proself Improper Restriction of XML External Entity (XXE) Reference Vulnerability","description":"North Grid Proself Enterprise/Standard, Gateway, and Mail Sanitize contain an improper restriction of XML External Entity (XXE) reference vulnerability, which could allow a remote, unauthenticated attacker to conduct an XXE attack.","cwes":["CWE-611"],"kev":{"date_added":"2024-12-03","due_date":"2024-12-24","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2023-45727","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.","status":"published","published":"2023-10-18T10:15:08.643Z","modified":"2026-06-17T06:29:25.203Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:08:39.058878Z"}]}}