CVE-2020-27299 Information disclosure in OPC UA Tunneller

Critical 9.1 Published Updated

An out-of-bounds read in the OPC UA Tunneller allows attackers to disclose sensitive data or crash the device.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-27299?

CVE-2020-27299 is a critical vulnerability in OPC UA Tunneller, published on 26 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The affected product is vulnerable to an out-of-bounds read, which may allow an attacker to obtain and disclose sensitive data information or cause the device to crash on the OPC UA Tunneller (versions prior to 6.3.0.8233).

Weakness: CWE-125

Which versions are affected by CVE-2020-27299?

It affects 1 product.

Products include Honeywell Opc Ua Tunneller.

How do I fix CVE-2020-27299?

No fix has been published for CVE-2020-27299 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-27299 being exploited?

There is no known exploitation of CVE-2020-27299 in the wild and no public exploit code.

Sources

Also known as GHSA-jpv4-xx47-257g.

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