CVE-2020-27868

high-risk
Published 2021-02-12

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.

Do I need to act?

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68.7% chance of exploitation in next 30 days
EPSS score — higher than 31% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Qognify

References (4)

Release Notes https://www.qognify.com/support-training/software-downloads/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-1453/
Release Notes https://www.qognify.com/support-training/software-downloads/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-1453/
56
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 19/34 · Moderate
Exposure 5/34 · Minimal