{"id":"CVE-2025-6216","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-6216","generatedAt":"2026-11-02T17:38:09.259Z","title":"Allegra calculateTokenExpDate Password Recovery Authentication Bypass Vulnerability.","description":"Allegra calculateTokenExpDate Password Recovery Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Allegra. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the password recovery mechanism. The issue results from reliance upon a predictable value when generating a password reset token. An attacker can leverage this vulnerability to bypass authentication on the application. Was ZDI-CAN-27104.","published":"2025-06-21T01:15:29.000Z","lastModified":"2026-06-17T10:01:24.000Z","status":"Analyzed","sourceIdentifier":"zdi-disclosures@trendmicro.com","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-640"],"affected":["alltena/allegra"],"epss":{"score":0.47775,"percentile":0.98851,"date":"2026-11-01","history":[{"date":"2026-09-22","score":0.47775,"percentile":0.98795}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 47.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.47775,"from":0.38527,"percentile":0.98795},"summary":"EPSS moved from 38.5% to 47.8% probability of exploitation in the next thirty days."}],"references":[{"url":"https://alltena.com/en/resources/release-notes/release-notes-for-release-8-1-4-and-release-7-5-2","tags":["Vendor Advisory"],"source":"zdi-disclosures@trendmicro.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-25-410/","tags":["Third Party Advisory"],"source":"zdi-disclosures@trendmicro.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-6216","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."}