How severe is CVE-2025-40670?

CVE-2025-40670 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-40670 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-40670?

CVE-2025-40670 affects Tcman Gim. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-40670?

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

Does CVE-2025-40670 have an EU (EUVD) identifier?

Yes. CVE-2025-40670 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17456.

When was CVE-2025-40670 published?

CVE-2025-40670 was published on 2025-06-09 and last updated on 2026-06-17.

CVE-2025-40670

CVE-2025-40670 is a high-severity vulnerability in Tcman Gim with a CVSS 3.x base score of 8.8. 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-863.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 7.1
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-17456
Weakness: CWE-863
Affected product: Tcman Gim
Published: 2025-06-09
Last modified: 2026-06-17

Description

Incorrect authorization vulnerability in TCMAN's GIM v11. This vulnerability allows an unprivileged attacker to create a user and assign it many privileges by sending a POST request to /PC/frmGestionUser.aspx/updateUser.

Frequently asked questions

What is CVE-2025-40670?: Incorrect authorization vulnerability in TCMAN's GIM v11. This vulnerability allows an unprivileged attacker to create a user and assign it many privileges by sending a POST request to /PC/frmGestionUser.aspx/updateUser.
How severe is CVE-2025-40670?: CVE-2025-40670 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-40670 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-40670?: CVE-2025-40670 affects Tcman Gim. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-40670?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-40670 have an EU (EUVD) identifier?: Yes. CVE-2025-40670 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17456.
When was CVE-2025-40670 published?: CVE-2025-40670 was published on 2025-06-09 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-tcman-gim-1

Affected products (1)

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

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