CVE-2020-28653
CRITICALCVSS 9.8/10EPSS 78.70%
Last modified
CVE-2020-28653 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Zoho ManageEngine OpManager Stable build before 125203 (and Released build before 125233) allows Remote Code Execution via the Smart Update Manager (SUM) servlet.. EPSS estimates a 78.70% chance of exploitation in the next 30 days.
Description
Zoho ManageEngine OpManager Stable build before 125203 (and Released build before 125233) allows Remote Code Execution via the Smart Update Manager (SUM) servlet.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Zohocorp | Manageengine Opmanager | < 12.5 | — |
| Zohocorp | Manageengine Opmanager | 12.5 | Build125000 |
References
- http://packetstormsecurity.com/files/164231/ManageEngine-OpManager-SumPDU-Java-Deserialization.htmlExploit, Third Party Advisory, VDB Entry
- https://www.manageengine.com/network-monitoring/help/read-me-complete.html#125203Release Notes, Vendor Advisory
- https://www.manageengine.com/network-monitoring/help/read-me-complete.html#125233Release Notes, Vendor Advisory
- http://packetstormsecurity.com/files/164231/ManageEngine-OpManager-SumPDU-Java-Deserialization.htmlExploit, Third Party Advisory, VDB Entry
- https://www.manageengine.com/network-monitoring/help/read-me-complete.html#125203Release Notes, Vendor Advisory
- https://www.manageengine.com/network-monitoring/help/read-me-complete.html#125233Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-28653?
Zoho ManageEngine OpManager Stable build before 125203 (and Released build before 125233) allows Remote Code Execution via the Smart Update Manager (SUM) servlet.
How severe is CVE-2020-28653?
CVE-2020-28653 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 78.70% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28653?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-28653?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST