How severe is CVE-2020-14271?

CVE-2020-14271 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-2020-14271 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14271?

CVE-2020-14271 primarily affects Hcltech Hcl Inotes. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-14271?

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

When was CVE-2020-14271 published?

CVE-2020-14271 was published on 2020-12-18 and last updated on 2026-06-17.

CVE-2020-14271

CVE-2020-14271 is a medium-severity vulnerability in Hcltech Hcl Inotes 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% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hcltech Hcl Inotes
Published: 2020-12-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-14271?: 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.
How severe is CVE-2020-14271?: CVE-2020-14271 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-2020-14271 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14271?: CVE-2020-14271 primarily affects Hcltech Hcl Inotes. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-14271?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-14271 published?: CVE-2020-14271 was published on 2020-12-18 and last updated on 2026-06-17.

References

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

Affected products (9)

cpe:2.3:a:hcltech:hcl_inotes:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:-:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:fixpack1:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:fixpack2:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:fixpack3:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:fixpack4:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:fixpack5:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:11.0.1:-:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:11.0.1:fixpack1:*:*:*:*:*:*

More vulnerabilities in Hcltech Hcl Inotes

CVE-2022-27546 — High (CVSS 8.3): HCL iNotes is susceptible to a Reflected Cross-site Scripting (XSS) vulnerability caused by improper validation of…
CVE-2020-14225 — Medium (CVSS 6.5): HCL iNotes is susceptible to a Tabnabbing vulnerability caused by improper sanitization of message content. A remote…
CVE-2022-27547 — Medium (CVSS 6.1): HCL iNotes is susceptible to a link to non-existent domain vulnerability. An attacker could use this vulnerability to…
CVE-2022-27558 — Medium (CVSS 5.9): HCL iNotes is susceptible to a Broken Password Strength Checks vulnerability. Custom password policies are not enforced…
CVE-2020-4126 — Medium (CVSS 5.9): HCL iNotes is susceptible to a sensitive cookie exposure vulnerability. This can allow an unauthenticated remote…
CVE-2021-27760 — Medium (CVSS 4.6): An issue was discovered in the Sametime chat feature in the Notes 11.0 - 11.0.1 FP4 clients. An authenticated Sametime…

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