CVE-2020-27868

CVSS 9.8 CRITICALEPSS 81.2%CWE-502

Vexday Risk Score

50Attention

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.8EPSS 81.2%KEV nãoPoC —Patch —

Lifecycle

Feb 11, 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Qognify · Ocularis

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References

https://www.qognify.com/support-training/software-downloads/https://www.zerodayinitiative.com/advisories/ZDI-20-1453/