An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via crafted CreateSubscription, CreateMonitoredItems(Sampling), Publish, TransferSubscriptions, and DeleteSubscriptions requests
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products
n/a:n/a
References 5
https://github.com/open62541/open62541/blob/master/examples/access_control/serv…
cve@mitre.org
https://github.com/open62541/open62541/blob/master/src/server/ua_services_subsc…
cve@mitre.org
https://github.com/open62541/open62541/blob/master/src/server/ua_subscription.c
cve@mitre.org
https://github.com/open62541/open62541/blob/master/src/server/ua_subscription.h
cve@mitre.org
https://github.com/open62541/open62541/issues/8092
cve@mitre.org