How severe is CVE-2020-14231?

CVE-2020-14231 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-14231 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14231?

CVE-2020-14231 affects Hcltechsw Hcl Client Application Access. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14231?

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-2020-14231 published?

CVE-2020-14231 was published on 2020-12-22 and last updated on 2026-06-17.

CVE-2020-14231

CVE-2020-14231 is a high-severity vulnerability in Hcltechsw Hcl Client Application Access with a CVSS 3.x base score of 8.8. 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 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Hcltechsw Hcl Client Application Access
Published: 2020-12-22
Last modified: 2026-06-17

Description

A vulnerability in the input parameter handling of HCL Client Application Access v9 could potentially be exploited by an authenticated attacker resulting in a stack buffer overflow. This could allow the attacker to crash the program or inject code into the system which would execute with the privileges of the currently logged in user.

Frequently asked questions

What is CVE-2020-14231?: A vulnerability in the input parameter handling of HCL Client Application Access v9 could potentially be exploited by an authenticated attacker resulting in a stack buffer overflow. This could allow the attacker to crash the program or inject code into the system which would execute with the privileges of the currently logged in user.
How severe is CVE-2020-14231?: CVE-2020-14231 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-14231 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14231?: CVE-2020-14231 affects Hcltechsw Hcl Client Application Access. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14231?: 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-2020-14231 published?: CVE-2020-14231 was published on 2020-12-22 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085882

Affected products (1)

cpe:2.3:a:hcltechsw:hcl_client_application_access:9.0:*:*:*:*:*:*:*

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