How severe is CVE-2025-63406?

CVE-2025-63406 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-2025-63406 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63406?

CVE-2025-63406 affects Group-office Group Office. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-63406?

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-2025-63406 have an EU (EUVD) identifier?

Yes. CVE-2025-63406 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-175371.

When was CVE-2025-63406 published?

CVE-2025-63406 was published on 2025-11-13 and last updated on 2026-06-17.

CVE-2025-63406

CVE-2025-63406 is a high-severity vulnerability in Group-office Group Office 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-77.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-175371
Weakness: CWE-77
Affected product: Group-office Group Office
Published: 2025-11-13
Last modified: 2026-06-17

Description

An issue in Intermesh BV GroupOffice vulnerable before v.25.0.47 and 6.8.136 allows a remote attacker to execute arbitrary code via the dbToApi() and eval() in the FunctionField.php

Frequently asked questions

What is CVE-2025-63406?: An issue in Intermesh BV GroupOffice vulnerable before v.25.0.47 and 6.8.136 allows a remote attacker to execute arbitrary code via the dbToApi() and eval() in the FunctionField.php
How severe is CVE-2025-63406?: CVE-2025-63406 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-2025-63406 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63406?: CVE-2025-63406 affects Group-office Group Office. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-63406?: 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-2025-63406 have an EU (EUVD) identifier?: Yes. CVE-2025-63406 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-175371.
When was CVE-2025-63406 published?: CVE-2025-63406 was published on 2025-11-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:group-office:group_office:*:*:*:*:*:*:*:*

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