CVEvulnerability
CVE-2020-27868
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-02-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.0 ([email protected])
- 9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 10.0 HIGH — AV:N/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-502
Description
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.
Affected configurations
• qognify ocularis 5.9.0.395
Related
Weakness · CWE (1)
- CWE-502 Deserialization of Untrusted Data weakness
References
- 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