CVE-2020-27868
CRITICALQognify Ocularis 5.9.0.395 - Unauthenticated Remote Code Execution via EventCoordinator Deserialization
Title source: llmDescription
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.
References (2)
Core 2
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-1453/
Release Notes, Vendor Advisory x_refsource_misc
https://www.qognify.com/support-training/software-downloads/
Scores
CVSS v3
9.8
EPSS
0.8121
EPSS Percentile
99.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-502
Status
published
Products (1)
qognify/ocularis
5.9.0.395
Published
Feb 12, 2021
Tracked Since
Feb 18, 2026