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CRITICAL · 9.8

CVE-2020-27297

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 ...

Vulnerability 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).

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
HoneywellOpc Ua Tunneller< 6.3.0.8233

Related Weaknesses (CWE)

CWE-122CWE-787

References

FAQ

What is CVE-2020-27297?

CVE-2020-27297 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...

How severe is CVE-2020-27297?

CVE-2020-27297 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-27297?

Check the references section above for vendor advisories and patch information. Affected products include: Honeywell Opc Ua Tunneller.