#VU48750 Information disclosure in HCL iNotes - CVE-2020-4126

Vulnerability identifier: #VU48750

Vulnerability risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-4126

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
HCL iNotes
Client/Desktop applications / Other client software

Vendor: HCL Technologies

Description

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

The vulnerability exists due to excessive data output by the application. A remote authenticated attacker can capture the cookie by intercepting its transmission within an http session.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

HCL iNotes: 9 - 11

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External links
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085411

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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