CVE-2020-27868

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Qognify Ocularis 5.9.0.395. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of serialized objects provided to the EventCoordinator endpoint. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-11257.

• CWE-502
• CWE-502

• https://www.qognify.com/support-training/software-downloads/Release Notes, Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-20-1453/Third Party Advisory, VDB Entry
• https://www.qognify.com/support-training/software-downloads/Release Notes, Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-20-1453/Third Party Advisory, VDB Entry

Published

Feb 12, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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