Path Traversal in Intermesh Group-Office
CVE-2018-25438
Intermesh Group-Office 3.3.0 before 3.5.5 contains an unauthenticated path traversal vulnerability in compress.php that allows remote attackers to read arbitrary files by manipulating the 'file' parameter. Attackers can send GET requests to /compress.php with '../' sequences in the 'file' parameter, which is appended to the cache path and passed to readfile(), to read files such as /etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-21.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- cxsecurity.com/issue/WLB-2018020249 (exploit)
- github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/oth… (technical-description)
- www.group-office.com/ (product)
- www.vulncheck.com/advisories/intermesh-group-office-3.5.5-path-traversal-via-co… (third-party-advisory)
Frequently asked questions
- What is CVE-2018-25438?
- CVE-2018-25438 is a high-severity vulnerability in Intermesh Group-Office, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-10-22.
- How severe is CVE-2018-25438?
- High severity. CVSS v3 base score is 7.5 out of 10.