{"id":"CVE-2026-56592","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-56592","generatedAt":"2026-10-27T23:56:42.584Z","title":"HCL BigFix Service Management is affected by an Improper Authentication validation vulnerability related to inadequate account lockouts, which could allow an unauthenticated attacker to execute sustained brute-force attacks against the login interface,…","description":"HCL BigFix Service Management is affected by an Improper Authentication validation vulnerability related to inadequate account lockouts, which could allow an unauthenticated attacker to execute sustained brute-force attacks against the login interface, resulting in unauthorized system access.","published":"2026-09-18T09:16:42.000Z","lastModified":"2026-10-14T17:45:47.000Z","status":"Analyzed","sourceIdentifier":"psirt@hcl.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-307"],"affected":["hcltech/bigfix service management"],"epss":{"score":0.00285,"percentile":0.20794,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-14T20:00:20.000Z","detail":{"from":"6.5","score":"9.8","severity":"CRITICAL","fromSeverity":"MEDIUM"},"summary":"Now scored CVSS 9.8 CRITICAL (was 6.5)."}],"references":[{"url":"https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133917","tags":["Vendor Advisory"],"source":"psirt@hcl.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-56592","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}