How severe is CVE-2025-52633?

CVE-2025-52633 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2025-52633 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-52633?

CVE-2025-52633 affects Hcltech Aion. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-52633?

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

Does CVE-2025-52633 have an EU (EUVD) identifier?

Yes. CVE-2025-52633 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206685.

When was CVE-2025-52633 published?

CVE-2025-52633 was published on 2026-02-03 and last updated on 2026-06-17.

CVE-2025-52633

CVE-2025-52633 is a low-severity vulnerability in Hcltech Aion with a CVSS 3.x base score of 3.1. 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-539.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206685
Weakness: CWE-539
Affected product: Hcltech Aion
Published: 2026-02-03
Last modified: 2026-06-17

Description

HCL AION is affected by a Permanent Cookie Containing Sensitive Session Information vulnerability. It is storing sensitive session data in persistent cookies may increase the risk of unauthorized access if the cookies are intercepted or compromised. This issue affects AION: 2.0.

Frequently asked questions

What is CVE-2025-52633?: HCL AION is affected by a Permanent Cookie Containing Sensitive Session Information vulnerability. It is storing sensitive session data in persistent cookies may increase the risk of unauthorized access if the cookies are intercepted or compromised. This issue affects AION: 2.0.
How severe is CVE-2025-52633?: CVE-2025-52633 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2025-52633 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-52633?: CVE-2025-52633 affects Hcltech Aion. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-52633?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-52633 have an EU (EUVD) identifier?: Yes. CVE-2025-52633 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206685.
When was CVE-2025-52633 published?: CVE-2025-52633 was published on 2026-02-03 and last updated on 2026-06-17.

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0127972

Affected products (1)

cpe:2.3:a:hcltech:aion:2.0.0:*:*:*:*:*:*:*

More vulnerabilities in Hcltech Aion

CVE-2025-52650 — High (CVSS 8.2): Inline script execution allowed in CSP vulnerability has been identified in HCL AION v2.0
CVE-2025-52632 — Medium (CVSS 6.5): A Missing Secure Attribute in Encrypted Session (SSL) Cookie vulnerability in HCL AION.This issue affects AION: 2.0.
CVE-2025-52644 — Medium (CVSS 5.8): HCL AION is affected by a vulnerability where certain user actions are not adequately audited or logged. The absence of…
CVE-2025-52627 — Medium (CVSS 5.5): Root File System Not Mounted as Read-Only configuration vulnerability. This can allow unintended modifications to…
CVE-2025-52624 — Medium (CVSS 5.4): A vulnerability Bypass of the script allowlist configuration in HCL AION. An incorrectly configured…
CVE-2025-52643 — Medium (CVSS 4.7): HCL AION is affected by a vulnerability where untrusted file parsing operations are not executed within a properly…

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