CVE-2021-3287

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Zoho ManageEngine OpManager before 12.5.329 allows unauthenticated Remote Code Execution due to a general bypass in the deserialization class.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

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#125329Release 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#125329Release Notes, Vendor Advisory

Timeline

Published: Apr 22, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-32917.2Zen Cart 1.5.7b allows admins to execute arbitrary OS commands by inspecting an HTML radio input element (within the modules edit page) and CVE-2021-329175.3An issue was discovered in Prosody before 0.11.9. The proxy65 component allows open access by default, even if neither of the users has an X CVE-2021-329187.5An issue was discovered in Prosody before 0.11.9. Default settings are susceptible to remote unauthenticated denial-of-service (DoS) attacks CVE-2021-329197.5An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback enables an experimental CVE-2021-329207.5Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood of SSL/TLS renegotiation requests.CVE-2021-329215.9An issue was discovered in Prosody before 0.11.9. It does not use a constant-time algorithm for comparing certain secret strings when runnin CVE-2021-329237.4HashiCorp Vault and Vault Enterprise allowed the renewal of nearly-expired token leases and dynamic secret leases (specifically, those withi CVE-2021-329248.8Invision Community (aka IPS Community Suite) before 4.6.0 allows eval-based PHP code injection by a moderator because the IPS\cms\modules\fr CVE-2021-329256.5admin/user_import.php in Chamilo 1.11.x reads XML data without disabling the ability to load external entities.CVE-2021-329267.5When an authenticated password change request takes place, this vulnerability could allow the attacker to intercept the message that include CVE-2021-329276.1An attacker may be able to inject client-side JavaScript code on multiple instances within all versions of Uffizio GPS Tracker.CVE-2021-329289.8The Sentinel LDK Run-Time Environment installer (Versions 7.6 and prior) adds a firewall rule named “Sentinel License Manager” that allows i