Information disclosure in HCL Notes



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-4128
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
 HCL Notes
Client/Desktop applications / Office applications

Vendor HCL Technologies

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU48752

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-4128

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

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 - 11.0.0

CPE2.3 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 a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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