How severe is CVE-2025-52643?

CVE-2025-52643 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-52643 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-52643?

CVE-2025-52643 affects Hcltech Aion. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-52643?

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

Does CVE-2025-52643 have an EU (EUVD) identifier?

Yes. CVE-2025-52643 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208735.

When was CVE-2025-52643 published?

CVE-2025-52643 was published on 2026-03-16 and last updated on 2026-06-17.

CVE-2025-52643

CVE-2025-52643 is a medium-severity vulnerability in Hcltech Aion with a CVSS 3.x base score of 4.7. 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-693.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208735
Weakness: CWE-693
Affected product: Hcltech Aion
Published: 2026-03-16
Last modified: 2026-06-17

Description

HCL AION is affected by a vulnerability where untrusted file parsing operations are not executed within a properly isolated sandbox environment. This may expose the application to potential security risks, including unintended behaviour or integrity impact when processing specially crafted files.

Frequently asked questions

What is CVE-2025-52643?: HCL AION is affected by a vulnerability where untrusted file parsing operations are not executed within a properly isolated sandbox environment. This may expose the application to potential security risks, including unintended behaviour or integrity impact when processing specially crafted files.
How severe is CVE-2025-52643?: CVE-2025-52643 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-52643 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-52643?: CVE-2025-52643 affects Hcltech Aion. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-52643?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-52643 have an EU (EUVD) identifier?: Yes. CVE-2025-52643 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208735.
When was CVE-2025-52643 published?: CVE-2025-52643 was published on 2026-03-16 and last updated on 2026-06-17.

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129410

Affected products (1)

cpe:2.3:a:hcltech:aion:*:*:*:*:*:*:*:*

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