How severe is CVE-2020-14240?

CVE-2020-14240 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-14240 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14240?

CVE-2020-14240 primarily affects Hcltech Notes. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-14240?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-14240 published?

CVE-2020-14240 was published on 2020-11-05 and last updated on 2026-06-17.

CVE-2020-14240

CVE-2020-14240 is a medium-severity vulnerability in Hcltech Notes with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hcltech Notes
Published: 2020-11-05
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-14240?: 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.
How severe is CVE-2020-14240?: CVE-2020-14240 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-14240 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14240?: CVE-2020-14240 primarily affects Hcltech Notes. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-14240?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-14240 published?: CVE-2020-14240 was published on 2020-11-05 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0084789

Affected products (34)

cpe:2.3:a:hcltech:notes:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp10:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp10if1:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp10if2:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp10if3:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp10if4:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp10if5:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp10if6:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp10if7:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp1if1:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp1if2:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp2if1:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp2if2:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp2if3:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp2if4:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp3if1:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp3if2:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp3if3:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp3if4:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp4if1:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp4if2:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp5if1:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp5if2:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp5if3:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp7if1:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp7if2:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp8if1:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp9if1:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:9.0.1:fp9if2:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:10.0.1:fp1:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:10.0.1:fp2:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:10.0.1:fp3:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:10.0.1:fp4:*:*:*:*:*:*
cpe:2.3:a:hcltech:notes:10.0.1:fp5:*:*:*:*:*:*

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