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zdiVera Mens, Uri Katz, Sharon Brizinov of Claroty ResearchZDI-22-873
HistoryJun 27, 2022 - 12:00 a.m.

(Pwn2Own) Prosys OPC UA SDK for Java OPC UA Messages Resource Exhaustion Denial-of-Service Vulnerability

2022-06-2700:00:00
Vera Mens, Uri Katz, Sharon Brizinov of Claroty Research
www.zerodayinitiative.com
14

0.007 Low

EPSS

Percentile

80.6%

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Prosys OPC UA SDK for Java. Authentication is not required to exploit this vulnerability. The specific flaw exists within handling of OPC UA messages. By sending a large number of requests, an attacker can consume all available resources on the server. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

0.007 Low

EPSS

Percentile

80.6%

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