A vulnerability in the input parameter handling of HCL Client Application Access v9 could potentially be exploited by an authenticated atta…

published 2020-12-22 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6384

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits: 0; none known

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.

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

n/a HCL Client Application Access

Classification

Weakness

CWE-20 Improper Input Validation
CWE-787 Out-of-bounds Write

References

support.hcltechsw.com /csm?id=kb_article&sysparm_article=KB0085882
vendor-advisory

Sources

CVE List CVE-2020-14231
NVD CVE-2020-14231

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Summary