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Vulnerability of HCL Notes: information disclosure via Mailto

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via Mailto of HCL Notes, in order to obtain sensitive information.
Vulnerable systems: Notes by HCL, Notes by IBM.
Severity of this threat: 2/4.
Creation date: 29/06/2020.
Références of this weakness: CVE-2020-4089, KB0080343, SPR#ARUIBM4MYE, VIGILANCE-VUL-32636.

Description of the vulnerability 

An attacker can bypass access restrictions to data via Mailto of HCL Notes, in order to obtain sensitive information.
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This computer threat impacts software or systems such as Notes by HCL, Notes by IBM.

Our Vigil@nce team determined that the severity of this computer vulnerability alert is medium.

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

An attacker with a expert ability can exploit this cybersecurity weakness.

Solutions for this threat 

HCL Notes: patch for Mailto.
A patch is indicated in information sources.
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