How severe is CVE-2025-40664?

CVE-2025-40664 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-40664 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-40664?

CVE-2025-40664 affects Tcman Gim. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-40664?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-40664 have an EU (EUVD) identifier?

Yes. CVE-2025-40664 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27977.

When was CVE-2025-40664 published?

CVE-2025-40664 was published on 2025-05-26 and last updated on 2026-06-17.

CVE-2025-40664

CVE-2025-40664 is a critical-severity vulnerability in Tcman Gim with a CVSS 3.x base score of 9.1. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v4: 9.3
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27977
Weakness: CWE-306
Affected product: Tcman Gim
Published: 2025-05-26
Last modified: 2026-06-17

Description

Missing authentication vulnerability in TCMAN GIM v11. This allows an unauthenticated attacker to access the resources /frmGestionUser.aspx/GetData, /frmGestionUser.aspx/updateUser and /frmGestionUser.aspx/DeleteUser.

Frequently asked questions

What is CVE-2025-40664?: Missing authentication vulnerability in TCMAN GIM v11. This allows an unauthenticated attacker to access the resources /frmGestionUser.aspx/GetData, /frmGestionUser.aspx/updateUser and /frmGestionUser.aspx/DeleteUser.
How severe is CVE-2025-40664?: CVE-2025-40664 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-40664 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-40664?: CVE-2025-40664 affects Tcman Gim. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-40664?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-40664 have an EU (EUVD) identifier?: Yes. CVE-2025-40664 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27977.
When was CVE-2025-40664 published?: CVE-2025-40664 was published on 2025-05-26 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-tcman-gim-0

Affected products (1)

cpe:2.3:a:tcman:gim:11.0:*:*:*:*:*:*:*

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