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Vulnerability of SIMATIC RFID Readers: overload via Incoming Connections

Synthesis of the vulnerability 

An attacker can trigger an overload via Incoming Connections of SIMATIC RFID Readers, in order to trigger a denial of service.
Vulnerable systems: SIMATIC.
Severity of this threat: 1/4.
Creation date: 08/06/2021.
Références of this weakness: CERTFR-2021-AVI-442, CVE-2021-31340, SSA-787292, VIGILANCE-VUL-35642.

Description of the vulnerability 

An attacker can trigger an overload via Incoming Connections of SIMATIC RFID Readers, in order to trigger a denial of service.
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This computer weakness bulletin impacts software or systems such as SIMATIC.

Our Vigil@nce team determined that the severity of this computer threat announce is low.

The trust level is of type confirmed by the editor, with an origin of physical access.

An attacker with a expert ability can exploit this threat announce.

Solutions for this threat 

SIMATIC RFID Readers: fixed versions for Incoming Connections.
Fixed versions are indicated in information sources.
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