RCE in Group-Office Group Office
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
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (52.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- noahheraud.com/posts/CVE-2025-63406/ (Exploit, Third Party Advisory)
- github.com/WinDyAlphA/CVE-2025-63406-PoC (Exploit)
Frequently asked questions
- What is CVE-2025-63406?
- CVE-2025-63406 is a high-severity vulnerability in Group-Office Group Office, classified under Command Injection. CVSS score: 8.8/10. Published 2025-11-13.
- How severe is CVE-2025-63406?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-63406 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.