Description
The affected product is vulnerable to a heap-based buffer overflow, which may allow an attacker to manipulate memory with controlled values and remotely execute code on the OPC UA Tunneller (versions prior to 6.3.0.8233).
References (1)
Core 1
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03
Scores
CVSS v3
9.8
EPSS
0.0042
EPSS Percentile
61.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-122
CWE-787
Status
published
Products (1)
honeywell/opc_ua_tunneller
< 6.3.0.8233
Published
Jan 26, 2021
Tracked Since
Feb 18, 2026