How severe is CVE-2020-14273?

CVE-2020-14273 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-14273 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14273?

CVE-2020-14273 primarily affects Hcltech Domino. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-14273?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-14273 published?

CVE-2020-14273 was published on 2020-12-28 and last updated on 2026-06-17.

CVE-2020-14273

CVE-2020-14273 is a high-severity vulnerability in Hcltech Domino with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Hcltech Domino
Published: 2020-12-28
Last modified: 2026-06-17

Description

HCL Domino is susceptible to a Denial of Service (DoS) vulnerability due to insufficient validation of input to its public API. An unauthenticated attacker could could exploit this vulnerability to crash the Domino server.

Frequently asked questions

What is CVE-2020-14273?: HCL Domino is susceptible to a Denial of Service (DoS) vulnerability due to insufficient validation of input to its public API. An unauthenticated attacker could could exploit this vulnerability to crash the Domino server.
How severe is CVE-2020-14273?: CVE-2020-14273 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-14273 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14273?: CVE-2020-14273 primarily affects Hcltech Domino. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-14273?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-14273 published?: CVE-2020-14273 was published on 2020-12-28 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085947

Affected products (9)

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:10.0.1:fix_pack_5:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:11.0.0:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:11.0.1:-:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:11.0.1:fix_pack_1:*:*:*:*:*:*

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