Critical severity9.8NVD Advisory· Published Jan 26, 2021· Updated Jun 17, 2026
CVE-2020-27297
CVE-2020-27297
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).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- OPC UA Tunneller/OPC UA Tunnellerdescription
- Range: <6.3.0.8233
Patches
Vulnerability mechanics
References
1- us-cert.cisa.gov/ics/advisories/icsa-21-021-03nvdThird Party AdvisoryUS Government Resource
News mentions
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