{"id":"CVE-2020-28653","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-28653","generatedAt":"2026-11-05T01:44:06.782Z","title":"Zoho ManageEngine OpManager Stable build before 125203 (and Released build before 125233) allows Remote Code Execution via the Smart Update Manager (SUM) servlet.","description":"Zoho ManageEngine OpManager Stable build before 125203 (and Released build before 125233) allows Remote Code Execution via the Smart Update Manager (SUM) servlet.","published":"2021-02-03T16:15:14.000Z","lastModified":"2026-06-17T03:10:41.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["zohocorp/manageengine opmanager"],"epss":{"score":0.77853,"percentile":0.99571,"date":"2026-11-03","history":[]},"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 77.9%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/164231/ManageEngine-OpManager-SumPDU-Java-Deserialization.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.manageengine.com/network-monitoring/help/read-me-complete.html#125203","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.manageengine.com/network-monitoring/help/read-me-complete.html#125233","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/164231/ManageEngine-OpManager-SumPDU-Java-Deserialization.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.manageengine.com/network-monitoring/help/read-me-complete.html#125203","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.manageengine.com/network-monitoring/help/read-me-complete.html#125233","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-28653","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."}