How severe is CVE-2025-40667?

CVE-2025-40667 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2025-40667 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-40667?

CVE-2025-40667 affects Tcman Gim. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-40667?

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

Does CVE-2025-40667 have an EU (EUVD) identifier?

Yes. CVE-2025-40667 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27980.

When was CVE-2025-40667 published?

CVE-2025-40667 was published on 2025-05-26 and last updated on 2026-06-17.

CVE-2025-40667

CVE-2025-40667 is a medium-severity vulnerability in Tcman Gim with a CVSS 3.x base score of 6.5. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27980
Weakness: CWE-862
Affected product: Tcman Gim
Published: 2025-05-26
Last modified: 2026-06-17

Description

Missing authorization vulnerability in TCMAN's GIM v11. This allows an authenticated attacker to access any functionality of the application even when they are not available through the user interface. To exploit the vulnerability the attacker must modify the HTTP code of the response from ‘302 Found’ to ‘200 OK’, as well as the hidden fields hdnReadOnly and hdnUserLogin.

Frequently asked questions

What is CVE-2025-40667?: Missing authorization vulnerability in TCMAN's GIM v11. This allows an authenticated attacker to access any functionality of the application even when they are not available through the user interface. To exploit the vulnerability the attacker must modify the HTTP code of the response from ‘302 Found’ to ‘200 OK’, as well as the hidden fields hdnReadOnly and hdnUserLogin.
How severe is CVE-2025-40667?: CVE-2025-40667 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2025-40667 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-40667?: CVE-2025-40667 affects Tcman Gim. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-40667?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-40667 have an EU (EUVD) identifier?: Yes. CVE-2025-40667 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27980.
When was CVE-2025-40667 published?: CVE-2025-40667 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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