How severe is CVE-2025-3400?

CVE-2025-3400 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-3400 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3400?

CVE-2025-3400 affects Esafenet Cdg. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3400?

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-2025-3400 have an EU (EUVD) identifier?

Yes. CVE-2025-3400 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10402.

When was CVE-2025-3400 published?

CVE-2025-3400 was published on 2025-04-08 and last updated on 2026-06-17.

CVE-2025-3400

CVE-2025-3400 is a high-severity vulnerability in Esafenet Cdg with a CVSS 3.x base score of 7.3. 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-89.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 6.9
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10402
Weakness: CWE-89
Affected product: Esafenet Cdg
Published: 2025-04-08
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, was found in ESAFENET CDG 5.6.3.154.205_20250114. This affects an unknown part of the file /client/UnChkMailApplication.jsp. The manipulation of the argument typename leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-3400?: A vulnerability, which was classified as critical, was found in ESAFENET CDG 5.6.3.154.205_20250114. This affects an unknown part of the file /client/UnChkMailApplication.jsp. The manipulation of the argument typename leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-3400?: CVE-2025-3400 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-3400 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3400?: CVE-2025-3400 affects Esafenet Cdg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3400?: 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-2025-3400 have an EU (EUVD) identifier?: Yes. CVE-2025-3400 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10402.
When was CVE-2025-3400 published?: CVE-2025-3400 was published on 2025-04-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:esafenet:cdg:5.6.3.154.205_20250114:*:*:*:*:*:*:*

More vulnerabilities in Esafenet Cdg

CVE-2024-42885 — Critical (CVSS 9.1): SQL Injection vulnerability in ESAFENET CDG 5.6 and before allows an attacker to execute arbitrary code via the id…
CVE-2024-46510 — High (CVSS 7.6): ESAFENET CDG v5 was discovered to contain a SQL injection vulnerability via the id parameter in the NavigationAjax…
CVE-2017-18636 — High (CVSS 7.5): CDG through 2017-01-01 allows downloadDocument.jsp?command=download&pathAndName= directory traversal.
CVE-2025-3401 — High (CVSS 7.3): A vulnerability has been found in ESAFENET CDG 5.6.3.154.205_20250114 and classified as critical. This vulnerability…
CVE-2025-3399 — High (CVSS 7.3): A vulnerability, which was classified as critical, has been found in ESAFENET CDG 5.6.3.154.205_20250114. Affected by…
CVE-2025-2927 — High (CVSS 7.3): A vulnerability was found in ESAFENET CDG 5.6.3.154.205. It has been classified as critical. Affected is an unknown…

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