How severe is CVE-2025-52636?

CVE-2025-52636 has a CVSS 3.x base score of 1.8, rated low severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-52636 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-52636?

CVE-2025-52636 affects Hcltech Aion. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-52636?

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

Does CVE-2025-52636 have an EU (EUVD) identifier?

Yes. CVE-2025-52636 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208731.

When was CVE-2025-52636 published?

CVE-2025-52636 was published on 2026-03-16 and last updated on 2026-06-17.

CVE-2025-52636

CVE-2025-52636 is a low-severity vulnerability in Hcltech Aion with a CVSS 3.x base score of 1.8. 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-400.

Key facts

Severity: Low (CVSS 3.x base score 1.8)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208731
Weakness: CWE-400
Affected product: Hcltech Aion
Published: 2026-03-16
Last modified: 2026-06-17

Description

HCL AION is affected by a vulnerability related to the handling of upload size limits. Improper control or validation of upload sizes may allow excessive resource consumption, which could potentially lead to service degradation or denial-of-service conditions under certain scenarios.

Frequently asked questions

What is CVE-2025-52636?: HCL AION is affected by a vulnerability related to the handling of upload size limits. Improper control or validation of upload sizes may allow excessive resource consumption, which could potentially lead to service degradation or denial-of-service conditions under certain scenarios.
How severe is CVE-2025-52636?: CVE-2025-52636 has a CVSS 3.x base score of 1.8, rated low severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-52636 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-52636?: CVE-2025-52636 affects Hcltech Aion. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-52636?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-52636 have an EU (EUVD) identifier?: Yes. CVE-2025-52636 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208731.
When was CVE-2025-52636 published?: CVE-2025-52636 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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