How severe is CVE-2025-52661?

CVE-2025-52661 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-52661 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-52661?

CVE-2025-52661 affects Hcltech Aion. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-52661?

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

Does CVE-2025-52661 have an EU (EUVD) identifier?

Yes. CVE-2025-52661 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3207.

When was CVE-2025-52661 published?

CVE-2025-52661 was published on 2026-01-19 and last updated on 2026-06-17.

CVE-2025-52661

CVE-2025-52661 is a low-severity vulnerability in Hcltech Aion with a CVSS 3.x base score of 2.4. 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-613.

Key facts

Severity: Low (CVSS 3.x base score 2.4)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3207
Weakness: CWE-613
Affected product: Hcltech Aion
Published: 2026-01-19
Last modified: 2026-06-17

Description

HCL AION version 2 is affected by a JWT Token Expiry Too Long vulnerability. This may increase the risk of token misuse, potentially resulting in unauthorized access if the token is compromised.

Frequently asked questions

What is CVE-2025-52661?: HCL AION version 2 is affected by a JWT Token Expiry Too Long vulnerability. This may increase the risk of token misuse, potentially resulting in unauthorized access if the token is compromised.
How severe is CVE-2025-52661?: CVE-2025-52661 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-52661 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-52661?: CVE-2025-52661 affects Hcltech Aion. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-52661?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-52661 have an EU (EUVD) identifier?: Yes. CVE-2025-52661 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3207.
When was CVE-2025-52661 published?: CVE-2025-52661 was published on 2026-01-19 and last updated on 2026-06-17.

References

https://support.hcl-software.com/kb_view.do?sys_kb_id=4b92474633de7ad4159a05273e5c7b4b&searchTerm=kb0127995#

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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CVE-2026-21622 — Critical (CVSS 9.8): Insufficient Session Expiration vulnerability in hexpm hexpm/hexpm ('Elixir.Hexpm.Accounts.PasswordReset' module)…
CVE-2025-59786 — Critical (CVSS 9.8): 2N Access Commander version 3.4.2 and prior improperly invalidates session tokens, allowing multiple session cookies to…
CVE-2026-26342 — Critical (CVSS 9.8): Tattile Smart+, Vega, and Basic device families firmware versions 1.181.5 and prior implement an authentication token…
CVE-2026-1435 — Critical (CVSS 9.8): Not properly invalidated session vulnerability in Graylog Web Interface, version 2.2.3, due to incorrect management of…

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