Input validation error in HCL Notes - CVE-2020-4089
Published: August 19, 2020
Vulnerability identifier: #VU45779
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-4089
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: HCL Technologies
Affected software:
HCL Notes
HCL Notes
Detailed vulnerability description
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.
How to mitigate CVE-2020-4089
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.