How severe is CVE-2020-14234?

CVE-2020-14234 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-2020-14234 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14234?

CVE-2020-14234 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-2020-14234?

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-2020-14234 published?

CVE-2020-14234 was published on 2020-11-21 and last updated on 2026-06-17.

CVE-2020-14234

CVE-2020-14234 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% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Hcltech Domino
Published: 2020-11-21
Last modified: 2026-06-17

Description

HCL Domino is susceptible to a Denial of Service vulnerability due to improper validation of user-supplied input, potentially giving an attacker the ability to crash the server. Versions previous to release 9.0.1 FP10 IF6 and release 10.0.1 are affected.

Frequently asked questions

What is CVE-2020-14234?: HCL Domino is susceptible to a Denial of Service vulnerability due to improper validation of user-supplied input, potentially giving an attacker the ability to crash the server. Versions previous to release 9.0.1 FP10 IF6 and release 10.0.1 are affected.
How severe is CVE-2020-14234?: CVE-2020-14234 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-2020-14234 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14234?: CVE-2020-14234 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-2020-14234?: 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-2020-14234 published?: CVE-2020-14234 was published on 2020-11-21 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085302

Affected products (9)

cpe:2.3:a:hcltech:domino:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:-:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:feature_pack_10_interim_fix_3:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:feature_pack_10_interim_fix_4:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:feature_pack_10_interim_fix_5:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:feature_pack_8:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:feature_pack_8_interim_fix_1:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:feature_pack_8_interim_fix_2:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:feature_pack_8_interim_fix_3:*:*:*:*:*:*

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