Vulnerability Database

383,371

Total vulnerabilities in the database

CVE-2020-14240 — hcltech / notes

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

HCL Notes versions previous to releases 9.0.1 FP10 IF8, 10.0.1 FP6 and 11.0.1 FP1 is susceptible to a Stored Cross-site Scripting (XSS) vulnerability. An attacker could use this vulnerability 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.

  • Published: Nov 5, 2020
  • Updated: Sep 13, 2026
  • CVE: CVE-2020-14240
  • Severity: Medium
  • Exploit:
  • CISA KEV:

CVSS v3:

  • Severity: Medium
  • Score: 6.1
  • AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2:

  • Severity: Medium
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
Software Affected versions
hcltech / notes >= 9.0, <= 9.0.1
hcltech / notes >= 10.0, <= 10.0.1
hcltech / notes >= 11.0, <= 11.0.1
hcltech / notes = 9.0.1-fp10
hcltech / notes = 9.0.1-fp10if1
hcltech / notes = 9.0.1-fp10if2
hcltech / notes = 9.0.1-fp10if3
hcltech / notes = 9.0.1-fp10if4
hcltech / notes = 9.0.1-fp10if5
hcltech / notes = 9.0.1-fp10if6
hcltech / notes = 9.0.1-fp10if7
hcltech / notes = 9.0.1-fp1if1
hcltech / notes = 9.0.1-fp1if2
hcltech / notes = 9.0.1-fp2if1
hcltech / notes = 9.0.1-fp2if2
hcltech / notes = 9.0.1-fp2if3
hcltech / notes = 9.0.1-fp2if4
hcltech / notes = 9.0.1-fp3if1
hcltech / notes = 9.0.1-fp3if2
hcltech / notes = 9.0.1-fp3if3
hcltech / notes = 9.0.1-fp3if4
hcltech / notes = 9.0.1-fp4if1
hcltech / notes = 9.0.1-fp4if2
hcltech / notes = 9.0.1-fp5if1
hcltech / notes = 9.0.1-fp5if2
hcltech / notes = 9.0.1-fp5if3
hcltech / notes = 9.0.1-fp7if1
hcltech / notes = 9.0.1-fp7if2
hcltech / notes = 9.0.1-fp8if1
hcltech / notes = 9.0.1-fp9if1
hcltech / notes = 9.0.1-fp9if2
hcltech / notes = 10.0.1-fp1
hcltech / notes = 10.0.1-fp2
hcltech / notes = 10.0.1-fp3
hcltech / notes = 10.0.1-fp4
hcltech / notes = 10.0.1-fp5

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.