{"id":"CVE-2021-3855","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-3855","generatedAt":"2026-10-27T21:09:19.603Z","title":"Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Liman Central Management System Liman MYS (HTTP/Controllers, CronMail, Jobs modules) allows Command Injection.","description":"Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Liman Central Management System Liman MYS (HTTP/Controllers, CronMail, Jobs modules) allows Command Injection.\n\nThis issue affects Liman Central Management System: from 1.7.0 before 1.8.3-462.","published":"2023-03-01T08:15:10.000Z","lastModified":"2026-06-17T04:05:54.000Z","status":"Modified","sourceIdentifier":"iletisim@usom.gov.tr","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-77"],"affected":["liman/port mys"],"epss":{"score":0.01819,"percentile":0.78581,"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 (1.82%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://docs.liman.dev/baslangic/guvenlik","tags":["Vendor Advisory"],"source":"iletisim@usom.gov.tr"},{"url":"https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0109","source":"iletisim@usom.gov.tr"},{"url":"https://www.usom.gov.tr/bildirim/tr-23-0109","tags":["Third Party Advisory","US Government Resource"],"source":"iletisim@usom.gov.tr"},{"url":"https://docs.liman.dev/baslangic/guvenlik","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.usom.gov.tr/bildirim/tr-23-0109","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-3855","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."}