{"id":"CVE-2023-28018","aliases":["EUVD-2023-31743","GHSA-4272-8494-h23x"],"status":"published","title":"HCL Connections s vulnerable to possible denial of service for certain users","description":"HCL Connections is vulnerable to a denial of service, caused by improper validation on certain requests. Using a specially-crafted request an attacker could exploit this vulnerability to cause denial of service for affected users.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00318,"percentile":0.24967,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2024-02-12T22:46:34Z","modified":"2026-06-17T05:46:23Z","products":[{"vendor":"hcl software","product":"hcl connections"},{"vendor":"hcltech","product":"connections"}],"references":[{"url":"https://support.hcltechsw.com/csm?id=kb_article\u0026sysparm_article=KB0108430","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28018"},{"url":"https://github.com/advisories/GHSA-4272-8494-h23x"}],"sources":{"cve":[{"id":"CVE-2023-28018","title":"HCL Connections s vulnerable to possible denial of service for certain users","description":"HCL Connections is vulnerable to a denial of service, caused by improper validation on certain requests. Using a specially-crafted request an attacker could exploit this vulnerability to cause denial of service for affected users.\n","status":"published","published":"2024-02-12T22:46:34.492Z","modified":"2025-03-13T14:39:57.544Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:32.752775Z"}],"euvd":[{"id":"EUVD-2023-31743","description":"HCL Connections is vulnerable to a denial of service, caused by improper validation on certain requests. Using a specially-crafted request an attacker could exploit this vulnerability to cause denial of service for affected users.\n","status":"published","published":"2024-02-12T22:46:34Z","modified":"2025-03-13T14:39:57Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T20:53:05.251622Z"}],"ghsa":[{"id":"GHSA-4272-8494-h23x","title":"HCL Connections is vulnerable to a denial of service, caused by improper validation on certain...","description":"HCL Connections is vulnerable to a denial of service, caused by improper validation on certain requests. Using a specially-crafted request an attacker could exploit this vulnerability to cause denial of service for affected users.\n","status":"published","published":"2024-02-13T00:30:27Z","modified":"2024-02-13T00:30:31Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T14:55:36.173394Z"}],"nvd":[{"id":"CVE-2023-28018","description":"HCL Connections is vulnerable to a denial of service, caused by improper validation on certain requests. Using a specially-crafted request an attacker could exploit this vulnerability to cause denial of service for affected users.\n","status":"published","published":"2024-02-12T23:15:08.1Z","modified":"2026-06-17T05:46:23.25Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:09:04.527564Z"}]}}