{"id":"CVE-2018-6328","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-6328","generatedAt":"2026-10-28T21:17:45.938Z","title":"It was discovered that the Unitrends Backup (UB) before 10.1.0 user interface was exposed to an authentication bypass, which then could allow an unauthenticated user to inject arbitrary commands into its /api/hosts parameters using backquotes.","description":"It was discovered that the Unitrends Backup (UB) before 10.1.0 user interface was exposed to an authentication bypass, which then could allow an unauthenticated user to inject arbitrary commands into its /api/hosts parameters using backquotes.","published":"2018-03-14T19:29:01.000Z","lastModified":"2026-06-17T02:01:40.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","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-287"],"affected":["kaseya/unitrends backup"],"epss":{"score":0.64369,"percentile":0.9923,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.54021,"percentile":0.9898},{"date":"2026-09-22","score":0.64369,"percentile":0.99197}]},"kev":{"listed":false},"exploits":{"count":2,"verified":true,"firstPublished":"2018-03-16","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":45559,"kind":"exploit","title":"Unitrends UEB - HTTP API Remote Code Execution (Metasploit)","url":"https://www.exploit-db.com/exploits/45559","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/45559.rb","file":"exploits/linux/remote/45559.rb","published":"2018-10-08","added":"2018-10-08","updated":"2018-10-08","author":"Metasploit","type":"remote","platform":"linux","port":443,"verified":true,"codes":["CVE-2018-6328","CVE-2017-12478"],"tags":"Remote","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://raw.githubusercontent.com/rapid7/metasploit-framework/e2f97c75a0747ae898f84993ed75893cd5f1f688/modules/exploits/linux/http/ueb_api_rce.rb"},{"edbId":44297,"kind":"exploit","title":"Unitrends UEB 10.0 - Root Remote Code Execution","url":"https://www.exploit-db.com/exploits/44297","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/44297.py","file":"exploits/linux/remote/44297.py","published":"2018-03-16","added":"2018-03-16","updated":"2018-04-09","author":"Jared Arave","type":"remote","platform":"linux","port":null,"verified":false,"codes":["CVE-2018-6329","CVE-2018-6328"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 64.4%, 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":0.64369,"from":0.54021,"percentile":0.99197},"summary":"EPSS moved from 54.0% to 64.4% probability of exploitation in the next thirty days."}],"references":[{"url":"https://support.unitrends.com/UnitrendsBackup/s/article/000001150","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://support.unitrends.com/UnitrendsBackup/s/article/000006002","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/44297/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/45559/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://support.unitrends.com/UnitrendsBackup/s/article/000001150","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.unitrends.com/UnitrendsBackup/s/article/000006002","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44297/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/45559/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-6328","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."}