CVE-2020-28653 in the critical feed json
Zoho ManageEngine OpManager Stable build before 125203 (and Released build before 125233) allows Remote Code Execution via the Smart Update…
published 5y ago modified 4mo ago also EUVD-2020-21051
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 77.9%
- EPSS 77.9% chance of exploitation in 30 days, percentile 99.5%
- public exploits
- 1
- Metasploit, plus a Nuclei check
Summary
Zoho ManageEngine OpManager Stable build before 125203 (and Released build before 125233) allows Remote Code Execution via the Smart Update Manager (SUM) servlet.
Patch / fix
- zohocorp manageengine_opmanager 12.5
Is CVE-2020-28653 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerTimeline
- Published
- First public exploit (Metasploit exploit/multi/http/opmanager_sumpdu_deserialization)
Exploit prediction
77.85% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Metasploit exploit/multi/http/opmanager_sumpdu_deserialization ManageEngine OpManager SumPDU Java Deserialization metasploit exploit, excellent rank, 2021-07-26
- Nuclei template ManageEngine OpManager SumPDU 12.1 - 12.5.232 - Java Deserialization nuclei detection template
- packetstormsecurity.com http://packetstormsecurity.com/files/164231/ManageEngine-OpManager-SumPDU-Java-Deserialization.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
-
packetstormsecurity.com
/files/164231/ManageEngine-OpManager-SumPDU-Java-Deserialization.html
exploit, third-party-advisory, vdb-entry
-
manageengine.com
/network-monitoring/help/read-me-complete.html#125233
release-notes, vendor-advisory
-
manageengine.com
/network-monitoring/help/read-me-complete.html#125203
release-notes, vendor-advisory
Sources
- CVE List CVE-2020-28653
- NVD CVE-2020-28653
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.