1) Information disclosure

Risk: Medium

CVSSv3: 4.6 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-4128

CWE-ID: CWE-200 - Information Exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a lockout policy bypass issue in the ID Vault service. A remote attacker can perform a brute force attack against the ID Vault service and gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

HCL Notes: 9.0.0, 10.0.0, 11.0.0

CPE

• cpe:/a:hcl:notes:9.0.0:
• cpe:/a:hcl:notes:10.0.0:
• cpe:/a:hcl:notes:11.0.0:

External links

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085408

Q & A

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.