What’s Vulnerable › Vulnerabilities

CVE-2020-14271

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-18 · updated 2026-06-17
• Weakness: CWE-79

Description

HCL iNotes v9, v10 and v11 is susceptible to a Stored Cross-Site Scripting (XSS) vulnerability due to improper handling of message content. An unauthenticated remote attacker could exploit this vulnerability using specially-crafted markup to execute script in a victim's web browser within the security context of the hosting Web site and/or steal the victim's cookie-based authentication credentials.

Affected products

• HCL Software HCL iNotes: from 9.0 before 10.0.1; from 11.0.0 before 11.0.1; 10.0.1, 10.0.1-fixpack1, 10.0.1-fixpack2, 10.0.1-fixpack3, 10.0.1-fixpack4, 10.0.1-fixpack5 (+2) — fixed in 10.0.1, 11.0.1

How to fix

Upgrade to a fixed version: HCL Software HCL iNotes 10.0.1, 11.0.1. Check the vendor advisory for mitigations.

References

• https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085892
• https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085892

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