{"id":"CVE-2017-9554","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-9554","generatedAt":"2026-10-28T20:05:29.958Z","title":"An information exposure vulnerability in forget_passwd.cgi in Synology DiskStation Manager (DSM) before 6.1.3-15152 allows remote attackers to enumerate valid usernames via unspecified vectors.","description":"An information exposure vulnerability in forget_passwd.cgi in Synology DiskStation Manager (DSM) before 6.1.3-15152 allows remote attackers to enumerate valid usernames via unspecified vectors.","published":"2017-07-24T20:29:00.000Z","lastModified":"2026-06-17T01:28:21.000Z","status":"Modified","sourceIdentifier":"security@synology.com","cvss":{"version":"3.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-200"],"affected":["synology/diskstation manager"],"epss":{"score":0.76716,"percentile":0.99543,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.78321,"percentile":0.99572},{"date":"2026-09-22","score":0.76716,"percentile":0.99523}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2018-01-08","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":43455,"kind":"exploit","title":"Synology DiskStation Manager (DSM) < 6.1.3-15152 - 'forget_passwd.cgi' User Enumeration","url":"https://www.exploit-db.com/exploits/43455","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/cgi/webapps/43455.txt","file":"exploits/cgi/webapps/43455.txt","published":"2018-01-08","added":"2018-01-08","updated":"2018-01-09","author":"Steve Kaun","type":"webapps","platform":"cgi","port":null,"verified":false,"codes":["CVE-2017-9554"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://gh0sthacks.blogspot.com.ee/2018/01/cve-2017-9554-synology-user-enumeration.html"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 76.7%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://www.exploit-db.com/exploits/43455/","source":"security@synology.com"},{"url":"https://www.synology.com/en-global/support/security/Synology_SA_17_29_DSM","tags":["Mitigation","Vendor Advisory"],"source":"security@synology.com"},{"url":"https://www.exploit-db.com/exploits/43455/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.synology.com/en-global/support/security/Synology_SA_17_29_DSM","tags":["Mitigation","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-9554","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."}