Vulnerability identifier: #VU48771

Vulnerability risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-4102

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
HCL Notes
Client/Desktop applications / Office applications

Vendor: HCL Technologies

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the DXL input parameter. A local administrator can send a specially crafted request, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

HCL Notes: 9.0.0 - 11.0.0

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External links
http://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085499

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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