This security advisory describes one medium risk vulnerability.
CVSSv3.1: 6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:U/RC:C] [PCI]
Exploit availability: NoDescription
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied input within the "mailto" URI handler. A remote attacker can trick the victim to click on a specially crafted "mailto" link and attack to the email arbitrary file from the victim's system without any additional warning.Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.Vulnerable software versions
HCL Notes: 9.0.0, 9.0.1, 10.0.0, 10.0.1, 11.0.0, 11.0.1CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open an attachment in an e-mail message.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.