CVE-2020-13593 Auth bypass in n/a

High 8.8 Published Updated

Attackers can bypass Bluetooth pairing authentication to read, modify, or disrupt protected device data via radio range.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-13593?

CVE-2020-13593 is a high-severity authentication bypass vulnerability in n/a, published on 31 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The Bluetooth Low Energy Secure Manager Protocol (SMP) implementation in Texas Instruments SimpleLink SIMPLELINK-CC2640R2-SDK through 2.2.3 allows the Diffie-Hellman check during the Secure Connection pairing to be skipped if the Link Layer encryption setup is performed earlier. An attacker in radio range can achieve arbitrary read/write access to protected GATT service data, cause a denial of service, or possibly control a device's function by establishing an encrypted session with an unauthenticated Long Term Key (LTK).

Weakness: CWE-347

Which versions are affected by CVE-2020-13593?

It affects 1 product.

Products include Ti Simplelink-Cc2640r2 Software Development Kit.

How do I fix CVE-2020-13593?

No fix has been published for CVE-2020-13593 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-13593 being exploited?

There is no known exploitation of CVE-2020-13593 in the wild and no public exploit code.

Sources

Also known as GHSA-pq68-r59w-pq6c.

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