CVE-2018-18331
A Trend Micro OfficeScan XG weak file permissions vulnerability on a particular folder for a...
CVE-2018-18331 is a high vulnerability (CVSS 7.5) in Trend Micro Officescan, published December 21, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.37%, the 71st percentile. No source names a fixed version.
A Trend Micro OfficeScan XG weak file permissions vulnerability on a particular folder for a particular group may allow an attacker to alter the files, which could lead to other exploits on vulnerable installations.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A Trend Micro OfficeScan XG weak file permissions vulnerability on a particular folder for a particular group may allow an attacker to alter the files, which could lead to other exploits on vulnerable installations.
- Record
CVE-2018-18331- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-732
- Updated
- 2026-11-02
CVE List No score
A Trend Micro OfficeScan XG weak file permissions vulnerability on a particular folder for a particular group may allow an attacker to alter the files, which could lead to other exploits on vulnerable installations.
- Record
CVE-2018-18331- Updated
- 2026-11-02
EUVDEUVD-2018-10062 No score
A Trend Micro OfficeScan XG weak file permissions vulnerability on a particular folder for a particular group may allow an attacker to alter the files, which could lead to other exploits on vulnerable installations.
- Record
EUVD-2018-10062- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j72p-h7vm-j85w
A Trend Micro OfficeScan XG weak file permissions vulnerability on a particular folder for a...
A Trend Micro OfficeScan XG weak file permissions vulnerability on a particular folder for a particular group may allow an attacker to alter the files, which could lead to other exploits on vulnerable installations.
- Record
GHSA-j72p-h7vm-j85w- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-732
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |