{"id":"CVE-2019-17421","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-17421","generatedAt":"2026-10-27T21:16:53.461Z","title":"Incorrect file permissions on the packaged Nipper executable file in Zoho ManageEngine OpManager 12.4.072 and Firewall Analyzer 12.4.072 allow local users to elevate privileges to root by overwriting this file with a malicious payload.","description":"Incorrect file permissions on the packaged Nipper executable file in Zoho ManageEngine OpManager 12.4.072 and Firewall Analyzer 12.4.072 allow local users to elevate privileges to root by overwriting this file with a malicious payload.","published":"2019-11-21T15:15:15.000Z","lastModified":"2026-06-17T02:23:56.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-276"],"affected":["zohocorp/manageengine firewall analyzer","zohocorp/manageengine opmanager"],"epss":{"score":0.00554,"percentile":0.45964,"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 (0.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://blog.vastart.dev/2019/11/cve-2019-17421-privilege-escalation.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://twitter.com/va_start","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.manageengine.com/products/firewall/security-updates/cve-2019-17421.html","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://blog.vastart.dev/2019/11/cve-2019-17421-privilege-escalation.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://twitter.com/va_start","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.manageengine.com/products/firewall/security-updates/cve-2019-17421.html","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-17421","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."}