How severe is CVE-2020-14270?

CVE-2020-14270 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-14270 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14270?

CVE-2020-14270 primarily affects Hcltech Domino. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-14270?

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

When was CVE-2020-14270 published?

CVE-2020-14270 was published on 2020-12-22 and last updated on 2026-06-17.

CVE-2020-14270

CVE-2020-14270 is a medium-severity vulnerability in Hcltech Domino with a CVSS 3.x base score of 5.3. 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-755.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-755
Affected product: Hcltech Domino
Published: 2020-12-22
Last modified: 2026-06-17

Description

HCL Domino v9, v10, v11 is susceptible to an Information Disclosure vulnerability in XPages due to improper error handling of user input. An unauthenticated attacker could exploit this vulnerability to obtain information about the XPages software running on the Domino server.

Frequently asked questions

What is CVE-2020-14270?: HCL Domino v9, v10, v11 is susceptible to an Information Disclosure vulnerability in XPages due to improper error handling of user input. An unauthenticated attacker could exploit this vulnerability to obtain information about the XPages software running on the Domino server.
How severe is CVE-2020-14270?: CVE-2020-14270 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-14270 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14270?: CVE-2020-14270 primarily affects Hcltech Domino. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-14270?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-14270 published?: CVE-2020-14270 was published on 2020-12-22 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085881

Affected products (8)

cpe:2.3:a:hcltech:domino:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:10.0.1:-:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:10.0.1:fix_pack_1:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:10.0.1:fix_pack_2:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:10.0.1:fix_pack_3:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:10.0.1:fix_pack_4:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:11.0.0:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:11.0.1:-:*:*:*:*:*:*

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